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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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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.

(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague? If ...

Forget what you learned in third grade. Pluto is no longer one of the nine planets of the solar system. The International Astronomical Union in Prague ruled today that the much-maligned Pluto no ...

This post was updated April 2 at 8:41 p.m. April Fools’ Day or not, “Big Planet Energy” radiated throughout Bruin Plaza as a few dozen Pluto TV staff and community members celebrated the streaming ...

On January 17, 2006 the New Horizons mission will launch for Pluto, the last unexplored planet of the solar system — or is it? Some scientists now claim that Pluto does not deserve its planetary ...

Astronomers have identified a small but significant possibility that a Neptune-sized planet is quietly orbiting within the distant Oort cloud, the icy boundary of our solar system. According to recent ...

FLAGSTAFF, Ariz. -- It's been 75 years since the discovery of Pluto, but it remains a mystery. Perhaps in another 10 years some of its secrets will be revealed when a space probe gets close enough for ...