Sixty-six million years ago, life on Earth was paid a visit by a very unwelcome guest: the Chicxulub impactor, an asteroid ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

Scientists have confirmed the discovery of a new quasi-moon, 2025 PN7, a small asteroid that will shadow Earth’s orbit for ...

Astronomers have discovered a small asteroid that has been quietly accompanying Earth on its journey around the sun for the ...

PN7 has been a mysterious space traveler, shadowing our planet for decades undetected in our vast celestial world, until now.

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

A newly discovered space rock zoomed safely by Earth on Wednesday (Oct. 15) at only about a quarter of the average distance ...