A July flyby of a massive asteroid went undetected until two days after it passed, raising urgent questions about planetary ...

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 ...

NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

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 ...

An autumn meteor shower yearly responsible for “Halloween fireballs” may pose a small impact threat to Earth. What is the ...

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

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

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

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

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