Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic ...

"This dust can penetrate the shielding of the solar system and end up on Earth." When you purchase through links on our site, ...

Welcome to the Sun competition, where the goal is to determine the heaviest planet! This video features entertaining space ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru telescope, working with NASA's New Horizons mission to find new targets for the ...

Oh, we humans do love a cleanly defined boundary, don’t we? They make things easier, after all. If we’re trying to categorize something, knowing what labeled bin to put it in is handy. If we’re ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...