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

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner consistent with a large, distant planet.

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

A Soviet-area spacecraft that orbited Earth for more than 50 years crashed into the Indian Ocean on Saturday, Russian ...

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

Astronomers using NASA’s James Webb Space Telescope have taken a major step toward understanding a puzzling type of planet ...