Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Human health is the Achilles heel of space travel. Researchers at ETH Zurich have now succeeded in printing complex muscle ...

Get SFGATE's top stories sent to your inbox by signing up for The Daily newsletter here.

In this video, we explore Albert Einstein's theory of general relativity, focusing on his insights into gravity and ...

Zenith’s Defy Zero Gravity watch isn’t just a fancy name. It actually does defy gravity. Its patented escapement was designed ...

Common health issues like back pain, leg swelling, dizziness and irritable bowel syndrome could be due to “gravity ...

Released last month, this limited-edition book comes with a glow-in-the-dark slipcase and appropriately weird Bill Cipher ...