Discovered by NASA’s Kepler spacecraft, Kepler-10c is a massive exoplanet that challenges existing theories about planetary formation and habitability. Dubbed a “mega-Earth,” this planet’s ...

An artist imagines LTT 1445 Ac, an exoplanet about 22 light-years from Earth in a triple red dwarf star system. Astronomers have added two more exoplanets to a growing study aimed at finding out ...

Astronomers have taken a huge leap towards discovering habitable worlds, and the world now eagerly anticipates a rocky planet orbiting a faint star 40 light-years from home. Scientists are homing in ...

Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the universe is really like. But our blue-skied, temperate planet is the extreme exception when ...

Kepler-186f is a rocky little world in the Goldilocks zone around its star. It's the fifth planet from its parent star, and yet it orbits at a distance comparable with Mercury's orbit around our sun.

"Finding a temperate planet in such a compact system makes this discovery particularly exciting." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Artistic illustration of the internal structure of a lava planet in a cold state, showing a day‑side magma ocean overlain by a mineral atmosphere. The arrows indicate the direction of heat transport ...

A groundbreaking new study of small, rocky extrasolar planets has made a tentative statistical correlation between the planets’ chemical makeup and their parent stars’ birthplace within our Milky Way ...

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