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NASA

A violent, swirling storm on Jupiter captured by NASA's Juno spacecraft

Lightning Strikes on Jupiter Are 100 Times as Powerful as Those on Earth, a New Study Suggests

Scientists finally have a clearer picture of the gas giant’s intense storms

The Artemis 2 crew reported an issue with the toilet shortly after takeoff.

Artemis Astronauts Overcome Toilet Trouble and Officially Head Toward the Moon

Houston, we have a potty problem

NASA astronaut Mike Fincke on January 15, when SpaceX Crew-11 splashed down, roughly one month ahead of schedule.

An Astronaut’s Sudden Inability to Speak Prompted the ISS’s First Medical Evacuation. Doctors Still Don’t Know What Caused the Issue

The individual who fell ill, NASA’s Mike Fincke, says the medical team is almost certain that the issue was related to being in space

An artist's concept of comet 41P as it approached the sun, turning some of its ice into gaseous jets

In a First, an Astronomer May Have Witnessed a Comet Stop Its Spin—Then Reverse Its Rotation

Archival images snapped by the Hubble Space Telescope revealed the unusual event

Onlookers capture photos and videos as the Space Launch System rocket carrying the Artemis 2 crew’s Orion spacecraft Integrity lifts off at 6:35 p.m. Eastern time on April 1.

Spectators Flocked to the Artemis 2 Launch to Witness History Being Made. One Awed Viewer Called It ‘the Best Thing Ever’

Wednesday evening, a human mission to the moon lifted off for the first time in more than 50 years. These 13 photographs capture what it was like to experience the moment

Artemis 2 will take four astronauts around the moon.

NASA’s Artemis 2 Mission Launches, Sending Humans Toward the Moon for the First Time in More Than 50 Years

Four astronauts have begun a ten-day mission in which they’ll loop around the moon, laying the groundwork to put humans on the lunar surface as early as 2028

Male reproductive cells, sperm, might struggle to reach and fertilize female reproductive cells, eggs, in microgravity, according to a new study.

Humans Might Struggle to Make Babies in Space. Sperm Gets Disoriented in Microgravity, a New Study Suggests

Simulated near-weightless conditions reduced human sperm’s navigational abilities

During a training exercise in Houston in January 2025, the Artemis 2 crew practiced configuring the Orion spacecraft for orbit and its return to Earth.

The Revolution in Moon Exploration

It’s Almost ‘All Systems Go’ for Artemis 2 to Take the Next Giant Leap Toward Stepping on the Moon Again

Scheduled to launch this week, NASA’s Artemis 2 is part of the bold 21st-century vision for returning astronauts to the lunar surface

Astronauts Neil Armstrong (left) and David Scott (right) greet well-wishers at Naha Air Base in Okinawa, Japan, shortly after the Gemini 8 spacecraft spun out of control.

These Never-Before-Seen Photos Show Astronaut Neil Armstrong Relaxed and Smiling After He Almost Died in the Gemini 8 Emergency

Few members of the media were at the unexpected arrival site. Military police officer Ron McQueeney was one of the few photographers who documented the occasion

Mars' surface as captured by NASA’s Ingenuity Mars Helicopter in 2023. The agency's new Mars helicopters will be modeled on this device.

NASA Aims to Launch the World’s First Planet-Hopping Spacecraft Powered by Nuclear Fission

The agency wants the mission to head to Mars by the end of 2028

The mice spent about a month aboard the International Space Station.

These Space-Faring Mice Are Helping Scientists Figure Out How to Keep Astronauts’ Muscles Working Properly

A new study suggests a gravity threshold for maintaining muscle function

The Van Allen Probes spent seven years studying two donut-shaped rings of radiation around the Earth.

A 1,300-Pound Spacecraft Might Be Plummeting Through Our Atmosphere Right Now

The debris poses minimal risk of harming anyone

Dimorphos, on the lower right, surrounded by debris moments after DART's collision in September 2022. The asteroid's larger companion, Didymos, is on the left. 

NASA’s Asteroid-Smashing DART Mission Changed a Space Rock’s Orbit Around the Sun, Marking a First for Humanity

Studying the 2022 collision’s effects can help scientists protect the Earth from celestial objects that might head toward us

New data suggest that the asteroid will pass the moon at a distance of 13,200 miles.

Asteroid 2024 YR4 Won’t Slam Into the Moon, According to NASA

Both Earth and the moon will be dodging the infamous space rock in 2032

New images of Uranus show the planet in blue, the upper atmosphere in red, auroras in lighter red spots and rings in white.

Take a Look at Uranus’ Weird, Lopsided Upper Atmosphere Bespeckled with Auroras

A new 3D map of gas surrounding the planet will help researchers better understand the strange world

NASA Administrator Jared Isaacman and other officials announced major changes to the Artemis program.

Why NASA’s Artemis 3 Mission Isn’t Sending Astronauts to the Moon Anymore

The mission’s goals have changed, and Artemis 4 will be the first lunar landing attempt. Four missions are tentatively scheduled within the next three years

CDG-2 as seen by the Hubble Space Telescope

Astronomers Spotted a Galaxy That’s Made Up Almost Entirely of Dark Matter

The researchers found the galaxy thanks to the Hubble Space Telescope

Saturn's rings are surprisingly young

A Smashing New Proposal About Saturn’s History Might Explain Its Iconic Rings and Some of Its Odd Moons

A crash involving the planet’s largest moon, Titan, and a hypothetical moon may have triggered a curious sequence of events

Starliner leaving the ISS in September 2024. 

NASA Report Reveals the Failures That Left Two Astronauts ‘Stranded’ on the International Space Station

NASA’s administrator blames both the agency and Boeing for Starliner’s infamous problems

Luna 9's landing was a pivotal moment in history.

Scientists Say They May Have Found a Long-Lost Lunar Lander—the First to Successfully Touch Down on the Moon 60 Years Ago

Data from a NASA lunar orbiter has helped researchers deduce two potential locations for a defunct Soviet spacecraft called Luna 9

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