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

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

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

The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we ...

What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the Na | Space ...

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

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

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

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

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 Mars Ascent Propulsion System (MAPS) ...

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