Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

The curious minds at What If reveal the 20 scariest planets that have been discovered in our galaxy.

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...

The JWST continues to live up to its promise by revealing things hidden from other telescopes. One of its lesser-known ...

If your stargazing journey has led you to an obsession with the planets, then look no further. Our guide features the best telescopes for seeing planets, tested by expert reviewers who are ...