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

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

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

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 ...

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

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

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

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

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

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

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