NASA

NASA placed a supersonic combustion engine on the firing stand, and early tests for interplanetary exploration show promise.

Europe's JUICE mission to explore three icy moons of Jupiter is all set to begin its voyage to the outer solar system.

After 31 years in orbit, NASA's magnetosphere-studying mission Geotail has come to end after the spacecraft's final data recorder failed.

A comet is streaking back our way after 50,000 years.

NASA's Psyche asteroid mission is targeting an October 2023 launch, after a one-year delay due to software issues.

NASA has funded a new set of visionary concepts for space exploration that could one day prove useful — and perhaps even transformative.

The Lucy mission will visit main-belt asteroid 1999 VD57 in November, allowing the spacecraft to test its innovative target tracking system before reaching its primary science targets in 2025.

Seven astronauts were lost on the space shuttle Columbia 20 years ago. Like 19 others, the STS-107 crew made the ultimate sacrifice in the pursuit of exploration.

NASA is marking the 20th anniversary of the space shuttle Columbia tragedy with somber ceremonies during its annual tribute to fallen astronauts.

The size of space rocks can be tricky to convey, and recent attempts have gotten weird.

A small space rock is about to make a super close pass at Earth tonight,  but don't worry  —  we are perfectly safe.

There's no reason for alarm — but, a NASA engineer calls it "one of the closest approaches by a known near-Earth object ever recorded." It will be only 2,200 miles above the Earth's surface.

Scientists on the Janus mission are working hard to try to salvage a pair of spacecraft that lost their launch — and the solution might include the most notorious asteroid out there, Apophis.

NASA released images of the Boeing Starliner crew capsule resembling R2-D2 ahead of a crewed flight test to the International Space Station.

But it will miss, the space agency says, in one of the closest encounters of its type ever.

NASA and DARP will collaborate on a project to develop nuclear thermal rockets that will shorten transit times to Mars, increase load capacity and generate more power.

An asteroid the size of a delivery truck will whip past Earth on Thursday night, one of the closest encounters ever recorded.

An asteroid the size of a delivery truck will whip past Earth on Thursday night, one of the closest such encounters ever recorded. NASA insists it will be a near miss with no chance of the asteroid hitting Earth. NASA said Wednesday that this newly discovered asteroid will zoom 2,200 miles (3,600 kilometers) above the southern tip of South America.

NASA's SpaceX Crew-6 astronauts held a briefing to discuss their upcoming trip to the International Space Station, scheduled for next month. (Jan. 25)

A micrometeoroid strike on a Russian Soyuz spacecraft has spurred NASA to talk to SpaceX about possibly increasing the shielding on its Crew Dragon capsule.

The weather station on NASA's Perseverance rover has chronicled the meteorology above Jezero Crater.

The mission was Rocket Lab's 33rd to date, but the first from U.S. soil. The company has been regularly launching from private launchpads in New Zealand.

Every spacecraft glitches occasionally, and even the James Webb Space Telescope the most powerful observatory ever launched, isn't immune.

The small satellite launch company Rocket Lab aced its debut liftoff from American soil on Tuesday (Jan. 24)

The company, based in California, had previously launched rockets from its facility in New Zealand, but it hopes to fly more frequently from the United States.

After 32 launches from Rocket Lab's New Zealand facility, the company is now set for regular flights from Virginia's Eastern Shore.

NASA administrator James Beggs implored the agency to stop the launch of space shuttle Challenger. A day later, seven astronauts lost their lives.

Material collected by the Perseverance rover will be handled at the Mars Sample Receiving Project office at NASA's Johnson Space Center in Houston.

Using the James Webb Space Telescope, astronomers discover a rich catalog of frigid interstellar ice in the depths of a dark, dense molecular cloud.

A new era of rocket launches from NASA’s facility on Wallops Island in Virginia began tonight with the much-anticipated launch of Rocket Lab’s Electron small-lift launch vehicle.

NASA and DARPA announced a collaboration to demonstrate a working nuclear thermal rocket by 2027 with the goal of sending humans to Mars as quickly as possible.

The icy ingredients studied in a molecular cloud 500 light-years away provide a "spectral snapshot" of the origins of space bodies.

A roadside rocket display that has stood as a welcome sign for drivers entering the state of Alabama is no longer safe to be left standing.

Bad weather has pushed Rocket Lab's first-ever launch from U.S. soil back a day, to Tuesday (Jan. 24).

Engineers for NASA's Lucy asteroid mission have determined that the spacecraft is ready to complete its 12-year mission despite a slight glitch in one of its two massive solar arrays.

A new video from NASA explains why scientists are so puzzled by Venus, which resembles Earth in many ways yet is strikingly different.

The retired astronaut, who was the second person to walk on the moon, announced his marriage to Anca Faur.

Frank Rubio and two cosmonaut colleagues may not come home from the International Space Station until late September — six months later than initially planned.

A 'sticky' foothold and a stubborn strut caused problems for Koichi Wakata and Nicole Mann on their Jan. 20 spacewalk to prep the space station for new solar arrays.

NASA's tiny Ingenuity helicopter flew for the 40th time on Mars Thursday (Jan. 19), covering about 584 feet (178 meters) of ground during a 92-second sortie.

The first Native American woman in space performed a spacewalk Friday to prep for adding more solar panels. Astronaut Nicole Mann and Japan's Koichi Wakata worked together on project.

Tiny but bright flashes in the sun's corona that precede solar flares could help astronomers predict when the next one might occur.

The first U.S. rocket stage to be recovered after its launch, an artifact from Gemini 5, landed at the Cape Canaveral Space Force Museum.

SpaceX's sixth contracted astronaut flight to the International Space Station for NASA will launch on Feb. 26, if all goes according to plan.

The first Native American woman in space has ventured out on her first spacewalk.

Spacewalks in low-Earth orbit face a small but very real threat from debris and and micrometeoroids whizzing by at extreme velocities.

Two astronauts will conduct the first spacewalk of 2023 on Friday morning (Jan. 20), and you can watch the action live.

A high-definition exterior camera on the International Space Station snapped a shot of the plume created by SpaceX's Falcon Heavy during its Jan. 15 launch.

Moonikin Campos, Helga and Zohar flew around the moon in December 2022 to help NASA get its Orion spacecraft ready to carry Artemis astronauts to lunar realms.

Astrobiology involves the search for telltale signs of life, potentially habitable worlds, and attempts to answer the question of how life arose on Earth.

The Kilauea volcano on Hawai'i's Big Island has been erupting again for nearly two weeks, creating lava fountains and a glow visible with the Landsat 8 satellite.

What do you get when an audio engineer meets an Atlas V rocket launch? Great sound for a forthcoming space game.

On Wednesday (Jan. 18), NASA plans to start moving astronaut Frank Rubio's seat liner from a Russian Soyuz spacecraft over to SpaceX's Dragon capsule Endurance.

NASA has released satellite view showing the 'atmospheric rivers' that made California's start to the new year brutally wet.

The comet is the expected to make its closest pass of Earth sometime between Feb. 1 and 2, possibly even sooner sometime at the end of January.

Government science teams say that 2022 didn't quite set a record for heat, but it was in the top five or six warmest on record depending on who's doing the measuring.

Russia will send up a new capsule next month to bring back three space station astronauts whose original ride home was damaged.

After almost 40 years circling Earth, a NASA satellite has plunged harmlessly through the atmosphere.

A retired science satellite is about to fall from the sky but NASA says the chance of wreckage falling on anybody is “very low.”.

Here are some skywatching highlights in January 2023 according to NASA.

Walter Cunningham, the last surviving astronaut from the first successful crewed space mission in NASA’s Apollo program, has died.

It could be the end of the red dusty line for NASA's InSight lander on Mars.

A U.S.-French satellite that will map almost all of the world's surface water has rocketed into orbit.

A Russian space official says a coolant leak from a Russian space capsule attached to the International Space Station could have been caused by a micrometeorite strike.

NASA and Russia’s space agency canceled a spacewalk by two Russian cosmonauts just as they were preparing to exit the International Space Station.

A NASA rover on Mars by chance had its microphone on when a whirling tower of red dust passed overhead last year and caught the sound.

NASA’s Orion capsule is back from the moon.

NASA's Orion capsule is on its way home from the moon to wrap up a three-week test flight.

NASA is canceling a planned satellite that was going to intensely monitor greenhouse gases over the Americas because it got too costly and complicated.

NASA's Orion capsule is now circling the moon in an orbit stretching tens of thousands of miles.

NASA's new Webb Space Telescope is finding bright, early galaxies that until now have been hidden from view.

A space capsule is hurtling toward the moon for the first time in 50 years.

NASA has managed to plug a leak while fueling its new moon rocket for a middle-of-the-night launch.

After several delays, NASA is planning to launch its Artemis moon rocket in the early morning hours on Wednesday.

NASA is making another attempt to launch its new moon rocket on its first test flight.

NASA is counting down to this week's planned liftoff of its new moon rocket after an evaluation of hurricane damage.

NASA says its moon rocket needs only minor repairs after enduring a hurricane and is on track for liftoff next week.

A large section of the destroyed space shuttle Challenger has been found buried in sand at the bottom of the Atlantic.

A large section of the destroyed space shuttle Challenger has been found buried in sand at the bottom of the Atlantic.

A satellite intended to improve weather forecasting and an experimental inflatable heat shield to protect spacecraft entering atmospheres have been launched into space from California.

A Northrop Grumman capsule has delivered several tons of supplies to the International Space Station despite a jammed solar panel.

NASA is again postponing the launch of its new moon rocket because of a storm threatening the Florida coast.

A newly launched cargo capsule has run into trouble with a solar panel after liftoff.

NASA’s moon rocket is back on the pad for another launch attempt, following more repairs.

NASA’s Insight Mars lander is nearing the end of its life, and its death will partially be attributed to the weather.

Already, more than 27,000 near-earth asteroids exist in all shapes and sizes, according to CNN Newsource.

We have pushed into November, and we already have a new storm in the Atlantic.

Two NASA spacecraft at Mars have recorded the biggest meteor strikes and impact craters yet.

The first Native American woman in space says she's overwhelmed by the beauty and delicacy of Mother Earth.

The NASA astronaut who commanded the Apollo 9 mission has died.

Four astronauts are back on Earth after spending almost six months at the International Space Station.

The ozone hole over Antarctica got bigger this year, which is unusual.

NASA says a spacecraft that plowed into a small, harmless asteroid millions of miles away last month succeeded in shifting its orbit.

SpaceX has delivered a fresh crew to the International Space Station for NASA, including the first Russian to launch from the U.S. in 20 years.

A Russian cosmonaut has rocketed from the U.S. for the first time in 20 years, catching a ride with SpaceX.

The asteroid that got smacked by a NASA spacecraft is now being trailed by thousands of miles of debris.

Two space telescopes have captured this week's asteroid strike, the first planetary defense test of its kind.

NASA's Juno spacecraft has made the closest approach to Jupiter's tantalizing, icy moon Europa in more than 20 years.

A 2009 planning exercise dubbed Project Phoenix eerily anticipated the potential damage the Tampa Bay area is facing from Hurricane Ian.

NASA's moon rocket is safely back inside its hangar as Hurricane Ian approaches Florida, its launch now unlikely before mid-November.