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Another wave of bird extinctions in the Americas?
Several bird species are taking their final bows on the global evolutionary stage, and winking out. The situation in northeast Brazil is particularly dire.
April 11, 2016
This ancient arthropod kept its babies on a leash
Scientists have discovered a tiny 430-million-year-old sea creature - dubbed Kite Runner - that apparently dragged its offspring around on strings like kites.
April 7, 2016
California drought now the norm?
California drought patterns have occurred much more frequently in recent decades, says a new study.
April 6, 2016
Ocean temps predict heat waves 50 days out
Scientists identified what they call the Pacific Extreme Pattern - warm seawater next to cool seawater - and showed its connection to heat waves weeks later.
April 3, 2016
Sea-level rise underestimated by half?
A new study suggests that sea-level rise over the next 100 years could be nearly double earlier estimates.
April 1, 2016
Evolution insights from a walking cavefish
Fish evolved into the first land vertebrates 420 million years ago. Clues to that fins-to-limbs transformation may lie in a walking blind cavefish in Thailand.
March 30, 2016
Beauty of the northern lights
Gorgeous 5-minute video of the northern lights in February and March 2016 - captured in still images, panoramas, time-lapse and real-time videos.
March 29, 2016
Watch giant ice bridge collapse
An ice bridge collapsed at Perito Moreno Glacier in Argentina earlier this month. Hundreds of tourists and locals gathered to witness the dramatic event.
March 29, 2016
Another record low for Arctic sea ice
At 5.6 million square miles, 2016 had the lowest winter sea ice maximum in the 37-year satellite record. It's slightly lower than the previous record, set last year.
March 29, 2016
Pavlof Volcano in Alaska erupts
Huge ash plume caused airline re-routings. Falling ash, volcanic lightning and lava fountaining from summit. By Tuesday morning, eruption was declining.
March 29, 2016
