As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

An international team of researchers has identified a strong candidate for a nearby, potentially rocky exoplanet orbiting ...

Astronomers have unveiled a new catalog of massive galaxy clusters, revealing new insight on the evolution of the universe ...

Earth has adopted a new (ish) traveling companion. It’s a tiny asteroid with quasi-moon status, named 2025 PN7 by astronomers ...

This quasi-moon is expected to remain in its current near-Earth orbit for about another 60 years before the gravitational tug ...

Researchers discovered a hidden 185,000 light-year "bridge" of gas between two distant galaxies, which are also trailed by a ...

FAR HILLS, N.J., October 06, 2025--(BUSINESS WIRE)--Samsara Vision, a company focused on bringing vision and freedom back to patients with late-stage, age-related macular degeneration (AMD) through ...

The “space dust” which helps to form the stars and planets around the cosmos is spongier than previously thought, an international team of scientists has found. Astronomers and astrochemists reviewed ...