Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

Discover the incredible story of NASA's New Horizons mission, from its 2006 launch aboard an Atlas V rocket to its historic ...

President Donald Trump and his NASA administrator are reviving the Pluto debate again — apparently at the urging of “Star ...

A simple comparison of Pluto’s size with other planets, explaining why its small scale influenced its reclassification.

We took Andy Weir to a science museum and watched him nerd out with an astrophysicist and about making "Project Hail Mary" ...

A multimedia show with songs, readings and astronauts celebrates the centennial of Goddard's liquid-fuel rocket launch.

Researchers used data recorded by Juno in 2021 and 2022, after NASA granted an extension to the spacecraft’s operations upon completing a five-year science campaign at Jupiter. Juno remains in good ...

NASA has played a central role in some of the most groundbreaking achievements in modern American history, from winning the ...

Add Yahoo as a preferred source to see more of our stories on Google. Is Pluto a planet? What's up with the "space jellyfish?" And are aliens real? Astrophysicist, speaker and author Neil deGrasse ...

Enter Pluto TV's fan contest for a chance to watch The X-Files in a top-secret desert location, complete with X-Files-themed snacks and more!

Gas giant Saturn has significantly extended its "who has the most moons in the Solar System" competition, with 11 more moons ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms ...