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

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

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the early Solar System.

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

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

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

The most unsettling space images are not of black holes or distant galaxies, but of stars that look eerily like our own Sun ...

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

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