Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...

Pluto was once considered the ninth planet in the solar system, it was demoted in 2006 to dwarf planet status. We explore this icy body in more detail here.

The Cavs opened the game without Darius Garland, who is out with a toe injury. Cavs coach Kenny Atkinson put Sam Merrill into the starting lineup for Garland, and the Cavs quickly fell behind, 12-4.

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to the bottom of whether Pluto is a planet, I tracked down planetary ...

What a forceful performance, the Cavs dominating on defense, the Heat not even able to score 90 points at home in a game they needed to win for any hope in this series.