Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...

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, ...

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

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known ...

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

WASP-121b is unlike anything in our Solar System. This giant planet orbits its star so closely that it completes a full orbit ...

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 ...

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

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

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 ...