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

Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

It sounds like a sci-fi plot, but it’s a cold, hard scientific fact: our closest cosmic neighbor, the moon, is slowly moving ...

Scientists have confirmed the discovery of a new quasi-moon, 2025 PN7, a small asteroid that will shadow Earth’s orbit for ...

Human health remains one of the greatest challenges in space exploration. When astronauts spend long periods in space, their bodies weaken dramatically—especially their muscles and bones. Now, ...

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