When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a few hundred million years, but what if we made it happen much quicker. And ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the ...

Astronomers have detected a storm on a star other than our sun for the first time, revealing an explosion so violent it could potentially strip away planetary atmospheres.

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of exoplanets does not include more than 8,000 additional candidate planets ...

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.

This eruption was a Coronal Mass Ejection, or CME. These events are huge blobs of plasma (highly ionized gas) and magnetic fields that rip away from the Sun’s outermost layer of atmosphere.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

American space agency NASA revealed it already used 12 major space assets to track and study the 3I/ATLAS interstellar comet.