We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

Two distant planets lie 1° apart in the morning sky, visible together in the same field of view through binoculars or a telescope.

In a groundbreaking study recently published on the arXiv preprint server, researchers have proposed two innovative ...

Galaxies are thought to form and grow by collisions and mergers, and elliptical galaxies may be the ultimate result of this ...

Feb. 27, 2025 — Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full Moon.