A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

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

Planets orbiting two stars at once, a world that sparked debate over the possibility of life, and another being vaporized by ...

Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

An ancient rocky world so close to its star that its surface is largely molten should have been stripped bare of gas long ago ...

This year NASA unveiled new discoveries beyond our solar system, the count has surpassed 6,000, with several thousands more ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In Pirates of the Caribbean, Jack and Will use an overturned dinghy to hold air underwater. Madness or brilliance?

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

A newly discovered exoplanet, TOI-561 b, is shaking up conventional theories about planetary atmospheres. According to a ...