A striking new image of the strange interstellar object 3I/ATLAS has revealed it is growing a tail, offering more proof that ...

Earth has a new friend — and it's been waiting for us to notice it for decades. In a new study published in the journal ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

Material deep inside Earth — thousands of kilometres down, near the planet’s core — has undergone a mysterious shift. Is ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

Strange blobs detected deep within Mars by NASA’s InSight lander may be remnants of the planet’s earliest “embryo,” according to a new study that could reshape our understanding of how rocky planets ...

A dinosaur dubbed one of the "strangest" ever found boasted an elaborate armory of long bony spikes and a tail weapon, ...

American space agency NASA announced this week the counter showing the number of confirmed exoplanets has now reached over ...