Step onto Pluto’s frozen terrain with New Horizons as we explore its heart-shaped plains, towering mountains, potential cryovolcanoes, and enigmatic dark regions like Cthulu Macula. Discover the ...

A mysterious spike of platinum buried deep in Greenland’s ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago—possibly triggering a sudden return to icy conditions ...