41:43
Tracking a Space Rock’s Streak Past Earth
Asteroid 2012 DA14 spans half a football field, and will whiz by the Earth a mere 17,000 miles above us–closer than many satellites.
Watch the Asteroid Flyby Live
A roundup of live streams that will let you watch the approach of asteroid 2012 DA14 online.
Meteor Steals Asteroid’s Thunder
A meteor streaks over Russia, just before Earth’s close shave with an asteroid.
16:27
Researchers Point to the Demise of the Dinosaurs
Scientists are working to refine the dates for an ancient cosmic collision.
4:50
Dung Beetles Use Cosmic GPS to Find Their Way
Dung beetles use light from the Milky Way to help them navigate at night.
How to Cook on Mars (Recipe Included)
Whipping up a yummy Martian snack isn’t as hard as it might seem.
17:01
Colossal Quasar Clump Too Huge to Exist, in Theory
Astronomers have discovered a clump of 73 quasars spanning four billion light years at its widest point — that’s like 40,000 Milky Way galaxies lined end-to-end.
16:43
Simulating the Red Planet, on the Pale Blue Dot
What’s it like to live—and cook—on Mars? To find out, researchers are simulating Mars missions in Russia and on the slopes of a Hawaiian volcano.
What 17 Months in Isolation Looks Like (On a Mars Mission)
For 520 days, six men lived together in a simulated mission to Mars. Here’s what their home away from home looked like.