Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The ...

NASA invites the public to join the Space Umbrella project, analyzing MMS data to study magnetic reconnection and solar wind interactions affecting space weather and technology.

A proposed five-satellite Cosmic Positioning System could measure cosmic distances directly and help address discrepancies in the Hubble constant through solar system–scale triangulation.

There are some clocks, mostly in or around international airports, which have multiple faces to show the time at various ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

(CNN) — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space ...

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover a planetary system that turns our understanding of planet formation upside ...

An artist's impression of the planetary system surrounding LHS 1903, a small red dwarf star cooler and dimmer than our Sun. (European Space Agency) (CN) — For decades, astronomers thought they had ...