Let's celebrate April first as "Healthy Skepticism Day", especially with fantastical astronomy stories and images online ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

SpaceX launched the private Fram2 mission Monday (March 31), sending a crew of four spaceflight rookies into an orbit never ...

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...