The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either... Comets, asteroids, and planets: The likely origins ...

NASA’s TESS tracked the interstellar comet during a special observation period from January 15 to 22, 2026.

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

Cold cosmic dust grains can link amino acids into protein‑like chains in deep space, suggesting life’s chemistry may begin ...

For centuries, space rocks have fascinated us. Space and its elements have always been mysterious. Astronomy is riddled with complex jargon that many of us don’t understand. However, we often keep ...

The water that makes up the oceans acted as a key ingredient for the development of life on Earth. However, scientists still do not know where the water here on Earth came from in the first place. One ...

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

Our solar system contains planets, dwarf planets, asteroids and comets — but only one world is known to harbor life. Scientists have long debated whether Earth is truly unique. Perhaps our planet just ...

The article introduces "dark comets," a newly identified class of celestial bodies exhibiting nongravitational acceleration characteristic of comets but lacking visible dusty tails, unlike typical ...