The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

Astronomers have been actively hunting for a ninth planet in the solar system for almost a decade. But a new study has suggested there may be another hidden world waiting to be found. | Credit: ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

We all picture the Solar System as a neat cosmic racetrack with planets orbiting the Sun on a flat, organized path. But have ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

Microbes high in Earth’s stratosphere produce pigments to protect them from UV light – so similar molecules could be ...