They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Authorities reveal how girl, 5, fell overboard from Disney Dream cruise ship before dad jumped in to save her Freddie Mercury ...

According to US space agency NASA, the interloper - named 3I/ATLAS - was first spotted on Tuesday by an Asteroid ...

Scientists may have solved alongstanding mystery in the study of Mercury. For the first time, pieces of the Solar System’s ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

New research suggests that Mercury's crust is shifting and twisting in unexpected ways thanks to the force of the Sun.

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

Scientists have discovered what might be only the third known interstellar object to pass through our solar system, the ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.