Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...

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

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

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

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

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

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

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

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 ...

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

Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...