This artist’s illustration provided by the European Southern Observatory shows an exoplanet orbiting around two brown dwarfs, celestial objects that are lighter than stars, but heavier than gas giant ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

Ground and space-based telescopes have confirmed a microlensing event caused by a rogue planet wandering silently through the ...

Illustration showing what the hot rocky exoplanet TRAPPIST-1 b could look like. TRAPPIST-1 b, the innermost of seven known planets in the TRAPPIST-1 system, orbits its star at a distance of 0.011 AU, ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...