This one-of-a-kind adventure travel experience invites enthusiasts to slumber beneath the cosmos, amidst telescopes and ...

Seven planets grace the sky at the end of February in what’s known as a planetary parade, though some will be difficult to ...

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.