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

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

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

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

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

He envisioned these ‘stationary’ satellites acting as relays for radio and television signals, connecting the whole world.