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Top 5 questions about tornadoes
More tornadoes occur in the U.S. than any other country, mainly in the Great Plains, Midwest and southern states. Two meteorology professors answer questions.
May 31, 2017
These bees nest in sandstone
Rock is apparently no match for Anthophora pueblo bees. Scientists have found their sandstone nests scattered across dry lands in the U.S. Southwest.
May 30, 2017
Auroras over the South Pole
A strong G3-class geomagnetic storm sparked auroras over both poles of Earth this past weekend. Hunter Davis, at the South Pole, captured images.
May 29, 2017
Top 10 new species 2017
This year's list includes a spider and an ant with names drawn from popular books, a pink katydid and an omnivorous rat.
May 24, 2017
Denmark’s never-ending May twilights
Happening now in Denmark: "bright nights," when the sun is never far below the horizon. Photographer and videographer Adrien Mauduit tells the story and provides stunning imagery.
May 23, 2017
2nd-warmest April and year-to-date
And, at both the poles, sea ice extents were at or near record low levels, according to the National Oceanic and Atmospheric Administration.
May 22, 2017
Humans and pufferfish share teeth genes
Our teeth evolved from the same genes that make the bizarre beaked teeth of the pufferfish, according to new research.
May 18, 2017
Alligator’s bellow communicates size
For an alligator, in both love and war, it’s good to be big . An alligator’s bellow communicates just how big it is.
May 18, 2017
NASA camera views sunglint from Earth
You'd expect sunglint from an ocean or other body of water. But the camera caught some glints over land as well. A new NASA video explains how scientists solved the mystery.
May 17, 2017
The oldest signs of life on land yet
Fossils found in Australia - in ancient hot spring deposits - have pushed back the earliest known evidence for land-based microbial life to 3.48 billion years.
May 15, 2017
