Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...