New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

At an exhibition in the heart of China's capital, Beijing, cosmic data becomes tangible art.

Finding nocturnal adventures in Massachusetts can be tricky, but like the moon and the stars, they are out there.