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The world’s hottest volcanos
Kilauea ranks hottest in terms of total energy. It's been erupting for decades. Meanwhile, Iceland’s Holuhraun eruption radiated the most heat for a single event.
January 14, 2015
Dogs arrived in Americas only 10,000 years ago, says study
By associating with early humans, dogs enjoyed new foods and the relative safety of human camps. Eventually, dogs traveled the world with their two-legged masters.
January 11, 2015
Video: Human population by the billions
When did our human population reach one billion? How long to add each billion after that, to bring us to the 7+ billion humans on Earth today? What's next?
January 6, 2015
Tracking Fukushima radiation across the Pacific
It took just over two years for the radioactive plume from Fukushima, Japan, to travel via ocean currents and reach the shores of North America, researchers say.
January 6, 2015
Can birds predict tornadoes?
Golden-winged warblers in Tennessee fled their breeding territories more than 24 hours before a tornado outbreak. What tipped them off?
January 5, 2015
New video shows life in the deepest ocean
An international team of scientists has set a new record for the deepest known ocean fish. They were filming in the Mariana Trench - the deepest part of the ocean.
January 3, 2015
Read the message your dog sends with his tail
Tail-wagging is a reflection of what's happening in your dog's brain. Learn to read your dog's tail signals, and you'll know if he's happy ... or stressed.
December 29, 2014
Top 10 new species of 2014
Thousands of new species are discovered each year. This year’s notable finds include an Antarctic sea anemone and a leaf-tailed gecko.
December 29, 2014
Flooding tipping points earlier than expected for U.S. coasts
By 2050, most of the U.S. coast is likely to see 30 or more days of flooding a year due to dramatically accelerating impacts from sea level rise, says a new study.
December 29, 2014
Tree ring study shows California’s drought worst in 1,200 years
Scientists say California's drought is being driven by low (but not unprecedented) precipitation and record high temperatures.
December 26, 2014
