Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

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

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

A powerful solar storm lit skies far beyond the poles, revealing how Earth’s magnetic shield protects the planet during ...

Twin siblings, twin peaks, twin cities, twin planets... Two earths, one solar system. How would that work?

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...