A new study reveals that Saturn’s moon Titan hosts bizarre chemistry where water-like and oil-like molecules can mix, hinting ...

The case for a newborn ocean on Saturn's moon Mimas continues to build.

The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.

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

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers from the University of California, Irvine (UCI) and ...

Earth’s magnetosphere, once thought to have a simple electric polarity pattern, has revealed a surprising twist. New ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

As the nights grow longer across the Northern Hemisphere, November offers a dynamic stage for planet watchers. From elusive ...

Earth has a new cosmic companion, a small object designated 2025 PN7, now classified as a quasi-satellite. This 'second moon' ...

Chiron is a centaur approximately 200 km in diameter and takes about 50 years to complete a full orbit around the Sun.