Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources ...

What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

According to author and environmentalist Bill McKibben, the explosion of solar is “the first hint that we've actually had of ...

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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

A minuscule meteorite seems to be rewriting the history of our solar system. The 50-gram Northwest Africa 12264 has brought a new understanding of when and how rocky worlds came together. Inner ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...