The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short life of what was, for a single human lifetime, the solar system's ...

This innovative material, developed by researchers at the Institute of Physics (IOP) of the Chinese Academy of Sciences, opens up a new frontier in 2D metal research, and it holds the potential to ...

With family wealth to back him, he founded an observatory in the western dark-sky desert of the U.S. and hoped to unlock the mystery of the Red Planet. He soon became fascinated by another cosmic ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

Online chatter and a frenzy of media coverage has tended to make a big deal of allegedly rare "planetary alignments" and "planet parades" gracing our night skies. The hoopla has culminated this ...

On Feb. 28, a stellar alignment of planets will illuminate the night sky for the last time in a decade Space Frontiers/Hulton Archive/Getty Calling all stargazers and astronomy enthusiasts ...

On any given night, weather permitting, you can spot at least one bright planet in the sky, and lineups of four or five planets, seen by the naked eye, typically occur every few years, according ...

As our planet faces an ever-evolving climate crisis and environments change, Living Planet transports you to different corners of the globe to meet the people on the frontlines, explore solutions ...

Around the end of the month, Saturn will slip below the horizon and into daytime skies, ending the seven-planet parade. But stargazers will get another chance to see a planetary alignment in ...