An extrasolar planet, or exoplanet, is a planet beyond the Solar System. As of 11 November 2006, 209 extrasolar planets have been discovered.

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the ...

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists. Most of the stars across the Milky Way are small red ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Long before the discovery of the first planet beyond our solar system, astronomer Laurance Doyle began theorizing about the habitability of planets around other stars, clarifying the conditions needed ...

What are exoplanets? Exoplanets are planets that orbit stars outside Earth's solar system. For that reason, these celestial bodies are sometimes also referred to as extrasolar planets.

Exoplanets are planets that orbit stars outside Earth's solar system. For that reason, these celestial bodies are sometimes also referred to as extrasolar planets.

With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very different to Earth.

Latest Research and Reviews Close-in planet induces flares on its host star Planet-induced flares on HIP 67522, a 17 million-year-old G dwarf star with two known close-in planets, were detected.