1.1 billion acres of dryland forests have been 'hiding in plain sight' all this time.
73 percent of sunscreens don't work
May 23, 2017, 12:01 a.m. by Robin Shreeves
The Environmental Working Group's 11th annual sunscreen guide rates the safety and efficacy of more than 1,400 products.
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Bolivian salt flats provide infinite backdrop for ethereal light tube photos
May 22, 2017, 3:13 p.m. by Angela Nelson
Globe-trotting Canadian duo photographer Eric Paré and dancer Kim Henry visit Salar de Uyuni for their latest light-painting project.
Sea lion episode provides fresh reminder: Don't interact with wildlife
May 22, 2017, 2:30 p.m. by Mary Jo DiLonardo
Little girl's run-in is terrifying, but thankfully everyone's OK.
Strange distant star is dimming, and scientists don't know why
May 22, 2017, 11:01 a.m. by Bryan Nelson
Natural explanations include an orbiting planet or comet, but the dimming is too irregular, leaving some to suggest alien activity.
Seattle is topping one of its famous floating bridges with light rail
May 22, 2017, 9:42 a.m. by Matt Hickman
The gridlock-relieving rapid transit project is a world's first.
Fake caterpillars trick ants into spilling secrets
May 22, 2017, 9:20 a.m. by Russell McLendon
Scientists deployed thousands of fake caterpillars at 31 sites around the world, shedding new light on the global patterns of predators.