We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would ...

For centuries, humans have gazed at the stars and wondered whether we are alone in the universe. The question of ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Humans may, one day, be able to inhabit other planets. Some advocates argue that remaining on only one courts disaster.

Four NASA astronauts are preparing to return to Earth weeks earlier than planned after a medical issue affected one member of ...

The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

Normally, NASA overlaps incoming and outgoing crews aboard the ISS, but with the possibility of evacuating Crew-11 before ...