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.
16:40
A Journey to the Oort Cloud, Where Comets Are Born
The comet ISON, discovered by two amateur astronomers last year, will zoom past Earth next fall. But where did it come from?
Reel Science Friday: 2012 Highlights
Catfish eating pigeons, water traveling uphill, a blue whale barrel roll—we’re taking a stroll down memory lane for a look at the year’s best moments in science cinema. What were your favorite science videos of 2012?
Could Life Exist on Newfound Alien Planet?
Astronomer Steven Vogt discusses a new discovery of a potentially habitable exoplanet.