The universe is unimaginably vast, even within our own Solar System, the distances between planets are staggering. Light, the ...

This process, , is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

The curious minds at What If explore what it would mean for life on Earth if every planet in our solar system were habitable.

I am an astrophysicist and astrobiologist with over 20 years of experience studying extrasolar planets – which are planets beyond our solar system. You may like ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Are planets in the solar system that are closer to the Sun older than the ones ...

Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a runaway greenhouse effect.

Cheng discovered the object as part of an ongoing research project to identify TNOs and possible new planets in the outer solar system.

New Minor Planet Spotted Past Pluto, One of the Largest Distant Objects in the Solar System The surprisingly large world has a massive orbit—about 838 times Earth’s distance from the Sun.

The "Holy Grail" of exoplanet science, Madhusudhan said, is to find evidence of life on an Earth-like planet beyond our solar system.

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon on Friday morning before dawn.