Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would ...

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

A key method of forming planets finally has observational evidence, thanks to a network of radio telescopes in the U.K. that ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

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

Space company Northrop Grumman announced the completion of another test, the third, of the second stage rocket motor of the ...

A minuscule meteorite seems to be rewriting the history of our solar system. The 50-gram Northwest Africa 12264 has brought a new understanding of when and how rocky worlds came together. Inner ...