The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Finding a world like Earth elsewhere in the universe might mean looking for the right kind of solar system. A new discovery ...

Known as the "Parade of Planets," the celestial event will feature appearances from Mars, Jupiter, Uranus, Venus, Neptune and ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered two ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

An unusual looking 33-foot-long object discovered orbiting Earth last year may have come from a surprising place.

Learn what this survey recorded of exocomet belts, which imaged and identified bands of every size.

There will be six planets visible this time around, including Venus, Mars, Jupiter, Saturn, Neptune and Uranus. The six planets are visible now, and will remain so until late February.

Claims of a "rare planetary alignment" are misleading; it's just visible planets. A true "golden conjunction" occurs on Sept.

NASA's most powerful observatory - the James Webb Space Telescope has provided exciting new details about 2060 Chiron, a ...

Two papers showed these intriguing signals, but the team stresses that there are currently many uncertainties to confirming ...