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

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Have you ever wondered why all the planets in our solar system orbit in the same plane? This fascinating characteristic of planetary orbits has intrigued astronomers for centuries. When we observe the ...

A recently discovered interstellar object, 3I/ATLAS, could potentially be the oldest comet ever observed, predating our solar ...

There have been a number of strange objects that have entered our solar system over the past decade, all of which have raised ...

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

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

What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...

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

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Scientists have detected planet-forming pebbles around two young stars, providing insight into the birth of solar systems ...

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