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

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

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

A class of University of Texas astronomy students has discovered that nearby dwarf galaxy Segue-1 seems to host a ...

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

Researchers at ETH Zurich have successfully 3D printed complex muscle tissue in zero gravity, paving the way for future space mission drug testing.

The theoretical physicist and best-selling author finds inspiration in politics and philosophy for rethinking space and time.

Harvard's Avi Loeb says interstellar comet 3I/ATLAS may show forces beyond gravity. Scientists using JWST and Swift report ...

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

Another near-term application is the quantum gravity gradiometer being developed by the NASA Jet Propulsion Laboratory and NASA Goddard Space Flight Center.

The rare interstellar comet 3I/ATLAS is under intense scrutiny as it passes through the solar system. Spacecraft like Hera, ...

Chinese astronauts aboard the Tiangong space station conducted a fascinating experiment. They lit a matchstick to show how ...