This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A leading scientist has told Newsweek about new evidence supporting the ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of ...

Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard's Star—the sun's closest ...

Astronomers using the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have found evidence of a Jupiter-mass object orbiting a brown dwarf in the CD-35 2722 system, a discovery ...

Astronomers have discovered a rare planetary system 71 light-years away, where a Jupiter-sized world orbits a brown dwarf, ...

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...