As President Trump delivered his State of the Union address, reporters from across NPR's newsroom, are fact checking his speech and offer context.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

America was winning the race to find Martian life. Then China jumped in. In July 2024, NASA’s Perseverance rover came across a peculiar rocky outcrop on Mars covered in strange spots. On Earth, these ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...