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1:54
A resident returns home and witnesses the Camp Fire's destruction firsthand.
3:59
Nicotine addiction came with high price for one teen, and he’s not alone.
2:51
Fossilized fish appear to preserve the fallout of the asteroid that killed the dinosaurs.
4:18
Tega is a robot that uses artificial intelligence to read and respond to kid's emotions.
3:03
Why do some astronomers think there’s a massive planet on the edge of our solar system?
3:14
The Subaru Telescope at the peak of Hawai`i’s Mauna Kea is on the hunt for Planet Nine.
3:03
If the vaulting collapses, the weight of the buttresses will push in the 100-foot walls.
