Explore four hypothetical worlds that could be more suitable for humans than Earth, based on current research and simulations ...

A colossal asteroid-like invader once ripped through the lunar crust, flinging out rings of mountains and scooping out a ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in Arizona.

For the first time in more than 50 years, NASA is preparing to send astronauts on a journey to the Moon. On January 17th, ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

At NASA's Day of Remembrance, Christa McAuliffe, the Teacher in Space, and the other six members of the Challenger crew were ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

NASA’s Crew-11 mission returned to Earth earlier than planned after a medical issue arose aboard the International Space ...