We got to Pluto just in time: Its air is starting to freeze out

By Phil Plait 2 weeks ago

Almost 4.7 billion miles from the Sun, there is more on the horizon for the New Horizons mission

By James Grebey 6 months ago

Our first interstellar visitor 'Oumuamua may be an ice chunk blasted off an alien Pluto

By Phil Plait 7 months ago

Eerie blue haze on Pluto isn’t paranormal, but it is lethal poison

By James Grebey 9 months ago

Pluto's mountains are capped with... methane snow?

By Phil Plait 1 year ago

Pluto’s far side: Exploring the backside of a tiny iceworld

By Phil Plait 1 year ago

Did Pluto start hot or cold?

By Phil Plait 1 year ago

Breathe easy: Pluto's atmosphere isn't about to collapse

By Phil Plait 1 year ago

Pluto’s frozen heart could be causing all those strange formations on its surface

By James Grebey 1 year ago

What’s that trippy haze on Pluto?

By James Grebey 1 year ago