The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

and sustaining temperature gradients of 25–100 K and pressure differences of 10 kPa against the vacuum of space can allow ...

"Culture Quest explores the world of pop culture, history and thought-provoking ideas! We dive deep into the stories, ...

New observations show that planets forming in protoplanetary disks like that around PDS 70 can trigger the formation of ...

It's possible for our solar system to capture a rogue planet and give it a home as it hurtles through the galaxy, according ...

The evolution of the orbits of the planets is a complex process. Initially the planets formed out of a rotating disk of gas ...

Dark comets are comets that are so small, fast and/or chemically rare that they are difficult to see from Earth ...

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

If Saturn's rings are older, they are also easier to explain. The Solar System was much more chaotic billions of years ago, ...

Saturn's rings, once thought young, might be as old as the planet itself, around 4.5 billion years. New research using ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...