A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and Earth. The authors dubbed it Planet Y.

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Sometimes, the simplest explanation is the best one," Professor Gupta said. "Maybe the universe’s biggest secrets are just ...

NASA scientists have recently made a groundbreaking discovery about potential alien life within our own solar system, a finding that could have significant implications for our understanding of ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

Imagine a massive celestial body colliding with Uranus at high speed; this impact could have 'overturned' Uranus, causing its rotation axis to tilt. Moreover, the colliding body would have to be ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spirals ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

The question of whether life exists beyond our solar system is one of those mysteries that humanity can’t quite let […] ...