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

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

Learn more about PSR J2322-2650b, a lemon-shaped exoplanet that may be in a toxic relationship with its host star.

The James Webb Space Telescope has turned up a world that looks more like a squeezed citrus fruit than a planet, a distorted ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

Join Mashable as we look back at the viral videos, breakout movies, memes, dating trends, tech buzz, scientific breakthroughs, and more moments that defined 2025! Astronomers have discovered over 100 ...

14 Herculis c one of at least two gas giants – both significantly bigger than Jupiter – that have been observed orbiting a central star in an X-like pattern. Among the nearly 6,000 exoplanets so far ...

Ultra-hot Jupiters — named as such because of their physical similarities to the planet Jupiter — are exoplanets that orbit stars other than the sun with temperatures so high that the molecules in ...