The now-extinct giant beaver once lived from Florida to Alaska.
Teeth and bones alone can't determine whether someone is a minor
Anatomy of a fact check.
An excerpt from the book
Plus Stan Lee with Grumpy Cat
Researchers look to ancient melts to predict which species might survive in the present
The 20 ideas, trends, and breakthroughs that will shape our world in 2014
Plus, the out-of-Asia theory for big cats and Ice Age animals
With the upcoming release of the major motion picture Europa Report, a couple of Jet Propulsion Lab scientists explain how science fiction has evolved in response to our growing understanding of space.
A new theory suggests that unusual greenhouse gases might have kept the planet warm back before the sun was bright enough to do the job.
Maybe you've heard that volcanic eruptions can affect climate, but new evidence suggests it happens the other way around, too.
Self-repairing computers! Electronic skin! Bat-wing planes! A look at the amazing stuff that's changing the world.
New radiocarbon measurements from the silty bottom of a Japanese lake could help scientists pinpoint when Neanderthals died out.
Reconstructing sea level history for the first time
A new ice age, exploding stars, the hypothetical Doomsday Machine, and more scenarios that are almost certain to eradicate life on Earth
Be grateful, dear reader, that someone else does the hard, dangerous and downright grody work involved in truly audacious science
Three Canadians beat the world record to the south pole
Could sudden climate change wreak independence day-level havoc? The director of The Day After Tomorrow let us run his new disaster flick by the experts. Uh-oh.
Could sudden climate change wreak Independence Day-level havoc? The director of The Day After Tomorrow (out May 28) let us run his new disaster flick by the experts. Uh-oh.
If historical patterns repeat themselves, the next ice age will occur within about 2,000 years.
In this intimate interview, hear insights about Sir Ernest Shackleton and the Endurance voyage as only a devoted granddaughter can have them.