Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

It’s a cosmic season in Southern California; look for the unveiling of Griffith Observatory’s Celestial Globe, too.

China advances plans for dual solar system boundary missions China has published coordinated papers outlining dual missions ...

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Astronomers in the U.S. and Europe are actively working on a ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

The interstellar visitor appears to have a lot in common with its solar system brethren. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On July ...

Solar wind sounds poetic, but it's a very real and powerful phenomenon, connecting the Sun to every part of our solar system. Unlike the wind we feel on Earth, solar wind isn't moving air; it's a ...

3I/ATLAS likely weighs more than 33 billion tons. The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Darryl Z.