Jan 05

Why ground squirrels turn into ninjas over nothing

In a standoff with a rattlesnake, the California ground squirrel stares down its opponent. It might kick sand at the snake, whipping its fuzzy tail back and forth in a “come and get me” taunt. The snake lounges and the…

Nov 17

New photos show Philae’s bumpy comet landing

The European Space Agency released the first images of Philae's bumpy landing today. Orbiting spacecraft Rosetta captured the lander drifting across the surface of Comet 67P for half an hour until its first bounce landing.

The Latest