New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet ...

For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary family. I’m not talking about reviving Pluto’s status, but about a potential ...

The latest Day of the Devs presentation has just ended. First appearing in 2012, Day of the Devs – which last year became a ...

The James Webb Space Telescope (JWST) has opened a new chapter in planetary science, giving astronomers the ability to observe JWST exoplanets with a level of detail never before possible. Launched as ...

Fresh mapping of the outer solar system has revealed a previously unseen pattern in the Kuiper Belt, the icy ring of debris beyond Neptune that has long been treated as a relatively simple torus of ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...