The concept of Planet X, or Planet Nine, has captivated astronomers for decades. This hypothetical planet, theorized to be ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

The James Webb Space Telescope has given astronomers groundbreaking insight into a new type of planet described as unlike ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

The exoplanet Enaiposha, or GJ 1214 b, is a hazy world orbiting a red dwarf star about 47 light-years from Earth. Previously likened to a mini-Neptune, in-depth observations obtained using JWST now ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever ...