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

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, ...

Americans are becoming more open to the idea that aliens have visited Earth, according to a series of polls that show belief in alien visitation has been steadily on the rise since 2012. Moreover, ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

These space-themed cartoons are fun to watch with your kids, and they feature real-life space science and concepts in varying ...

Interstellar comet 3I/ATLAS has gotten new viral claims that it is targeting the Sun with strange wobbling jets. We break ...

When interstellar object 3I/ATLAS was scanned for alien technology, scientists ran the most sensitive search ever attempted.

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Comet 3I/ATLAS, only the third known object from interstellar space to pass through our solar system, is about to make its closest approach to Earth. On Friday, Dec. 19, it will come within about 170 ...