By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...

The Earth now has another moon to tag along during its orbit around the Sun. Astronomers found out that the Earth has two ...

Telescopes around the world recorded new evidence about what the 3I/Atlas is and what scientists observed about it.

Early depictions of alien planets in science fiction reflected pure imagination — jungles on Venus, canals on Mars, and ...