NASA

The latest delay will allow teams more time to assess and mitigate the consequences of elevated propellant vapor levels inside Dragon's propulsion system.

A "peculiar" cloud over the Caspian Sea offers an interesting case study of how satellites can detect such phenomena in Earth's atmosphere.

Houston-based Axiom Space has found the perfect place to develop its commercial orbital outpost: a sprawling facility that comes pre-equipped with a mockup of the International Space Station.

NASA's 55-pound (25 kilograms) CAPSTONE cubesat launched toward the moon today (June 28), but it won't get there until Nov. 13.

Join in for free Wednesday (June 29) as NASA celebrates the forthcoming end of commissioning for its $10 billion James Webb Space Telescope.

NASA successfully lofted the first of a trio of sounding rocket missions to study Alpha Centauri from Australia, in a historic agency first.

A new image from NASA's HIRISE camera reveals strange 'polygons' cracking open the surface of Mars. It's just a typical sign of spring, scientists say.

The solar-powered microwave oven-sized spacecraft is a key part of the agency's Artemis moon program.

NASA's tiny CAPSTONE spacecraft has begun its long, history-making journey to the moon.

A Cygnus spacecraft reboosted the International Space Station to its normal operating altitude on June 25, 2022.

NASA wants to experiment with a new orbit around the moon that it hopes to use in the coming years to once again land astronauts on the lunar surface

NASA wants to experiment with a new orbit around the moon that it hopes to use in the coming years to once again land astronauts on the lunar surface.

Northop Grumman's robotic Cygnus freighter is scheduled to undock from the orbiting lab at 6:05 a.m. EDT (1005) Tuesday. Watch it live here at Space.com, courtesy of NASA.

Landsat satellites have been pinpointing risks of extreme heat within cities.

An exoplanet hunter and first-light detector on the James Webb Space Telescope is ready to do science, six months after the observatory launched to space.

Among the tasks scheduled for the James Webb Space Telescope's first year of work is teaming up with the Event Horizon Telescope to study Sagittarius A*, the supermassive black hole at the heart of th

NASA has called off plans to launch a small cubesat to the moon on Monday (June 27) to allow more time to check its Rocket Lab booster for flight.

"At the end of the day, we want to act appropriately and lawfully." Mark Zaid, an attorney for RR Auction told The AP.

It’s the first time a crashing rocket has created a double crater, NASA says

Rocket Lab will launch NASA's CAPSTONE cubesat to the moon from New Zealand atop an Electron booster and you can watch it live online.

NASA revisits a spectacular Hubble Space Telescope shot of the dwarf galaxy ESO 318-13 in this stunning photo.

NASA to launch three rockets from the Arnhem Space Centre in the Northern Territory of Australia

The Curiosity rover might be spotting signs of the Martian climate drying up in ancient times.

NASA officials have declared the Artemis 1 moon rocket's most recent "wet dress rehearsal" a success and are hopeful the mission can get off the ground as soon as late August.

Depending on the results of an independent review, budget impacts and other factors, the Psyche mission could face cancellation.

NASA's plan to explore a strange metal asteroid is on hold.

Samantha Cristoforetti channeled her inner Sandra Bullock in a space station nod to "Gravity."

NASA's Psyche asteroid mission is facing an uncertain future after software testing issues forced an extended launch delay expected to last at least until July 2023.

The grave of a rocket body that slammed into the moon more than three months ago has been found.

As it turns out, attempting to sell moon dust that was extracted from the stomachs of cockroaches does indeed bug NASA. So much so, that the space agency requested RR Auction halt its sale.

Humongous storms on Jupiter are the focus of a new citizen science project hosted on Zooniverse.

Three companies will demonstrate their potential to power lunar infrastructure using nuclear fission systems, under new joint NASA contracts announced on Tuesday (June 21).

The Space Launch System rocket has passed its final test, NASA says, clearing the way for a launch in late summer.

NASA wants its moon dust and cockroaches back.

NASA wants its moon dust and cockroaches back. The space agency has asked Boston-based RR Auction to halt the sale of moon dust collected during the 1969 Apollo 11 mission that had subsequently been fed to cockroaches during an experiment to determine if the lunar rock contained any sort of pathogen that posed a threat to terrestrial life. The material, a NASA lawyer said in a letter to the auctioneer, still belongs to the federal government.

The most recent Artemis 1 "wet dress rehearsal" wasn't perfect, but it was good enough to keep the NASA moon mission on course for liftoff a few months from now.

An early Super Heavy-Starship failure could disrupt SpaceX astronaut fights to space station.

NASA says it has finished testing its huge moon rocket.

South Korea has canceled its effort to visit the space rock Apophis during a close, but harmless, flyby of our Earth in 2029, according to a media report.

The launch of NASA's CAPSTONE moon mission has been delayed at least two additional days, to no earlier than Monday (June 27).

Planetary scientists have created a new, detailed map of the asteroid Psyche, providing a tantalizing preview of the target for a NASA mission set to launch later this year.

After half a year of commissioning in space, the James Webb Space Telescope will release its first science images in July. Here's how you can tune in to the historic event for free.

Lego NASA Apollo 11 Lunar Lander is a set that doesn’t quite live up to its intergalactic potential.

NASA officials are pleased with Artemis 1's performance during its recent "wet dress rehearsal" but need more time to determine its readiness for launch.

A sunspot nearly triple the size of Earth is within firing range of our planet, and may send out medium-class flares in the near future.

NASA's InSight mission is working to squeeze out all the science it can on Mars as power runs out.

Four retired telescope missions are helping astronomers uncover new insights about how dust behaves in galaxies.

Another landing locale may have just opened up for the private Dream Chaser space plane.

China plans to haul pristine Mars samples to Earth in 2031, two years earlier than NASA and the European Space Agency plan to do so, according to media reports.

SpaceX and OneWeb have written a joint letter to the U.S. Federal Communications Commission declaring harmony in orbit for spectrum coordination between their satellite-internet constellations.

NASA finally fully fueled its massive moon rocket on Wednesday, but a hydrogen leak forced the agency to cut short a simulated countdown.

The James Webb Space Telescope is ready to start probing the cosmos. An astronomer on the team explains how they got Webb to this stage.

Solar wind is composed of charged particles and the sun's magnetic field and is continually released from our star. Explore the phenomenon in more detail here.

The Voyager probes massively exceeded the scope of their mission, but are running low on power after 45 years in space.

NASA has fueled its huge moon rocket for the first time and completed a countdown test despite a fuel line leak.

Keep your car, van or RV smelling fresh with this VentiFresh Plus Car Pack.

NASA is launching a study of UFOs as part of a new push toward high-risk, high-impact science.

NASA is gearing up to launch a research rocket from remote northern Australia this month.

Boeing's astronaut taxi has returned to Earth from the International Space Station, completing a repeat test flight with a mannequin on board.

Boeing's crew capsule has blasted off on a repeat test flight to the International Space Station.

A NASA spacecraft on Mars is losing power and is headed for a dusty demise.

A total lunar eclipse will grace the night skies this weekend, providing longer than usual thrills for stargazers across North and South America.

Scientists for the first time have grown plants in soil from the moon collected by NASA’s Apollo astronauts.

Scientists for the first time have grown plants in soil from the moon collected by NASA’s Apollo astronauts.

NASA administrator Bill Nelson will be in Jacksonville on Tuesday to visit Redwire Space headquarters.

NASA's new space telescope is in the home stretch of testing.

SpaceX has returned four astronauts from the International Space Station with a midnight splashdown off the Florida coast.

Fifty years after his Apollo 16 mission to the moon, retired NASA astronaut Charlie Duke says he’s ready for the U.S. to get back to lunar exploration.

SpaceX has launched four astronauts to the International Space Station for NASA, less than two days after completing a flight chartered by millionaires.

Charlie Duke is part of a tiny fraternity that’s getting even smaller: People who walked on the moon.

The flight debut of NASA's mega moon rocket faces additional delays following a string of failed fueling tests.

NASA's latest attempt to fuel its huge moon rocket for a countdown test has been thwarted by a hazardous hydrogen leak.

SpaceX has launched three rich businessmen and their astronaut escort to the International Space Station for more than a week’s stay.

NASA’s dress rehearsal for its mega moon rocket has been postponed twice now by technical problems that stalled a fueling test.

NASA is kicking off a critical countdown test for its new moon rocket.

A NASA astronaut is back on Earth after a yearlong, record-setting spaceflight.

Scientists are concerned because an ice shelf the size of New York City collapsed in East Antarctica, an area that had long been thought to be stable.

NASA is asking for help creating the next astronaut moon lander.

NASA and SpaceX have set a new launch date to send four astronauts to the International Space Station. The new launch date is no earlier than Tuesday, April 19. The previous date was set for March 30.

NASA Administrator Bill Nelson on Friday played down recent comments by the head of Russia’s space agency that the United States would have to use broomsticks to fly to space after Russia said it would stop supplying rocket engines to U.S. companies.

Thursday’s rollout is part of a “wet dress rehearsal” process.

Because of the Russian invasion of Ukraine, Europe will no longer be attempting to send its first rover to Mars this year.

NASA’s new space telescope is showing perfect vision, with a spiky image of a faraway star that was photobombed by thousands of ancient galaxies.

A U.S. astronaut has made it through nearly a year in space but faces what could be his trickiest assignment yet: riding a Russian capsule back to Earth.

Tuesday marks the start of Women’s History Month, a time to commemorate and celebrate the vital role of women in American history.

The former head of the National Space Council tells The Associated Press that tensions over eastern Ukraine should not have a significant impact on the International Space Station or U.S.-Russia cooperation in space.

If you just finished watching our latest episode of “Solutionaries,” then you know we focused on the environment and all things climate change-related.

When to catch the Snow Moon in Florida.

The billionaire who flew on his own SpaceX flight last year is headed back up, aiming for an even higher orbit and the chance to take part in a spacewalk.

NASA's new space telescope has captured its first starlight and even taken a selfie of its giant, gold mirror.

A rocket startup's big launch debut at Florida's Cape Canaveral has ended with all four mini satellites destroyed.

SpaceX and NASA are investigating a parachute issue that occurred on the last two capsule flights.

The world's biggest and most powerful space telescope has reached its final destination 1 million miles away.

Scientists have concluded that a meteorite from Mars contains no evidence of ancient Martian life.

Two U.S. science agencies say 2021 was the sixth hottest year on record globally, part of a long-term warming trend.

NASA's new space telescope has opened its gold-plated, flower-shaped mirror, the largest and most sensitive ever launched.

In a story published January 4, 2022, about the James Webb Space Telescope, The Associated Press erroneously reported when the universe’s first stars and galaxies were created.

NASA's new space telescope is doing well more than a week after liftoff, following a pair of problems overcome by ground controllers.

The world's largest and most powerful space telescope has blasted off on a high-stakes quest to behold light from the first stars and galaxies.

High wind will keep NASA's newest space telescope on the ground for at least another day.