For years, the James Webb Space Telescope has been spotting enormous black holes in the early universe that defy all ...

Sierra Space has been working on Dream Chaser for years, mostly out of view, as schedules slipped and plans adjusted. This ...

NASA has cut funding for key independent advisory groups that help guide the agency’s scientific research, citing cost ...

Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

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Over three million people have submitted names to fly with NASA’s Artemis II mission. The registrations are still open for "Send Your Name" campaign. The campaign inspires students, space enthusiasts ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

After years of speculation, scientists finally believe they have figured out the crystal conundrum thanks to new imaging from ...

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

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 spacecraft’s heat shield.

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

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