"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

What did the very first complex vertebrate brain look like? To find out, scientists turned to an unlikely time traveler: the ...

Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy bodies that circle the Sun, this object formed around another star before ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

ATLAS is back on the map. Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be captured by anyone with basic viewing equipment.

The hottest science news this week has revolved around the sun, with the arrival of some dazzling new studies concerning our star and the fascinating interstellar comet currently passing close to it.

This week's science news has been fraught with controversy, as the three former leaders of the U.S. Centers for Disease Control and Prevention (CDC) took to a webinar to describe the chaos unfolding ...