NASA's SpaceX Crew-11 mission is ending early to bring back a member with a medical issue. Astronauts who spend a long time ...

MIT researchers report that astronauts’ brain positions change in microgravity, based on MRI scans from space missions ...

In space, bacteriophages mutate in ways not seen on Earth, making them more effective at killing drug-resistant bacteria.

On the ISS, viruses can still infect bacteria, but the process slows and pushes both organisms to evolve along different ...

Since the James Webb Space Telescope (JWST) went into operation, red dots in its images have puzzled researchers around the ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

When fire breaks out in the low-gravity, high-stakes conditions inside spacecraft or space stations, it behaves very ...

Flashes like Cherenkov radiation in space may reveal negative-energy ghosts, hinting at gaps in gravity theories.

The research has implications for NASA’s goals to build a base on the moon and eventually conduct crewed missions to Mars.

Mars follows a markedly different rhythm from Earth, as a Martian day is roughly 40 minutes longer than an Earth day, while a ...

In 2019, the Event Horizon Telescope captured the first image of a black hole, located 53 million light-years away in the ...