News tagged with asteroid

Related topics:

Researchers say a comet killed the dinosaurs

In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear to have ...

Apr 04, 2013
4.8 / 5 (16) 3 | with audio podcast

How big are galaxies?

I'm going to refrain from the initial response that comes to mind… actually, no I won't—they're really, really, really big!!!!

Apr 03, 2013
5 / 5 (4) 4

Collision course? A comet heads for Mars

Over the years, the spacefaring nations of Earth have sent dozens of probes and rovers to explore Mars. Today there are three active satellites circling the red planet while two rovers, Opportunity and Curiosity, ...

Mar 28, 2013
4.6 / 5 (13) 16 | with audio podcast