A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

The object orbits a brown dwarf that orbits a star, and astronomers aren’t sure if it’s a planet, a moon — or something else ...

Scientists may have found the first moon outside our Solar System – depending on what astronomers ultimately decide counts as ...

A shattered asteroid may have unleashed a long-lasting cosmic barrage that left scars across the inner solar system and ...

The moon is 384,000 kilometers (239,000 miles) away from Earth, but one of the best places to study its surface is much closer to home. Western planetary scientist Catherine Neish and PhD candidate ...

A massive asteroid that broke apart around 800 million years ago may have sent a huge number of rocky fragments towards Earth ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Eulalia asteroid bombardment: a new study identifies the Eulalia asteroid family as the source of a third wave of impacts ...

Astronomers have discovered a rare planetary system 71 light-years away, where a Jupiter-sized world orbits a brown dwarf, ...

Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval ...

"We deliberately chose not to call it a moon. That's because this object is unlike any moon in our solar system. It's much ...