Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

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 ...

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

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.

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that ...

A week and a half after its discovery, there are clues about the origin and age of the interstellar comet 3I/ATLAS – and ...

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 ...