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

In 1915, Einstein’s theory of General Relativity unified space and time, revealing that mass and energy can warp spacetime.

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

Space debris might sound like something from science fiction, but it's becoming a daily reality for our planet. Every hour of ...

From dew at dawn to a foggy mirror after a shower, condensation is part of our daily lives on Earth. In space, microgravity ...

Researchers are 3D printing human muscle in zero gravity to create better disease models and improve astronaut health during space missions.

Greg Miraglia and Jeff Nardinelli of Quinn Emanuel Urquhart & Sullivan LLP discuss the potential and successes of low-orbit ...

"We could determine the mass of the Himalayas using atoms." Scientists are developing an advanced quantum sensor for low Earth orbit that can detect the tiniest tremors in Earth's gravity. These ...

Chinese astronauts aboard Tiangong station witnessed a match flame transform into a blue sphere in microgravity. Unlike Earth ...

Researchers have believed that Segue 1, a puny galaxy orbiting the Milky Way just 75,000 light-years away, was packed with dark matter, a substance in space that doesn't shine or interact with light.

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...