NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

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

It's gonna get ugly. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our sun's death is a long way off — about 4.5 billion years, give or take — ...

It's a tale with many twists and turns, and quite a bit of violence. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an ...

Explore the wonders of our solar system in "25 Insanely Cool Things In Our Solar System"! WATCH OUR OTHER VIDEOS: ►25 ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

The solar system is approximately 4.6 billion years old, a determination made primarily through the radiometric dating of ancient meteorites, which provide a more pristine record than Earth rocks. Its ...

Eric Mack has been a CNET contributor since 2011. Eric and his family live 100% energy and water independent on his off-grid compound in the New Mexico desert. Eric uses his passion for writing about ...