Pluto may have lost its status as a full-fledged planet in 2006, but that doesn't mean it's a joke of a world this April Fools' Day and the folks behind Pluto TV want to make that clear. On April 1, ...

Update: Since this episode originally aired, the bill to make Pluto the official state planet of Arizona was signed into law. Science was forever changed, thanks to an observatory in Flagstaff named ...

FLAGSTAFF, AZ (3TV/CBS 5) — While it’s classified as a dwarf planet, a new Arizona bill would make Pulto our new state planet. This weekend will mark the 94th anniversary of the discovery of Pluto at ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook It’s been nearly 20 years since Pluto was downgraded from planet status to that of dwarf planet ...

Will Pluto have the last laugh? A group of NASA scientists hopes so. A group of members of the New Horizons mission to Pluto are making the case to redefine what constitutes as a planet to be more ...

NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Pluto that is inserted beneath the Short Wave logo. The image combines blue, red and infrared images taken by the ...

The planet Neptune wobbled in its orbit around the Sun. That could only mean one thing, astronomers said: There was a ninth planet out there, somewhere, lurking in the fringes of the solar system.

The year was 2015. After traveling billions and billions of miles through the Erebus, New Horizons encounters the boatman, and the somber lord of the departed. The spacecraft could have been called ...

“Star Trek” actor William Shatner wants to use Elon Musk’s political sway to get Pluto reinstated as a full-fledged planet. “We should ask Elon to get the President to sign one of those Executive ...