Scientists find out how early humans survived cold when they moved out of Africa | 2806 | science | | | | |
3 sun mysteries we still haven't cracked | 448 | space | | | | |
Hot Burning Rocket Engines Could Turn the Moon's Surface Into Instant Landing Pads | 310 | space | | | | |
Earth's Magnetic Shield Twisted Out of Shape by Colossal Solar Burst | 124 | space | | | | |
Mercury could have an 11-mile underground layer of diamonds, researchers say | 73 | space | | | | |
This mesmerizing NASA animation shows how carbon dioxide moves through Earth's atmosphere (video) | 48 | space | | | | |
New Study Sheds Light on Dispersion of Languages, Ancient DNA | 39 | science | | | | |
The sun fires off 2 powerful X flares in less than 2 hours (video, photo) | 36 | space | | | | |
Scientists find out how early humans survived cold when they moved out of Africa | 28 | Anthropology | | | | |
Minerals evolve under pressure in the same way life does, researchers find | 25 | space | | | | |