Human-Driven Global Warming Is Biggest Threat to Polar Bears, Report ...
By ERICA GOODE The iconic Arctic species is threatened by the loss of sea ice resulting from rising […]
science
Endangered Species and the Stuff We Buy, All Mapped Out
By JOANNA KLEIN A series of maps produced by researchers visualize the link between global trade and its […]
Light Pillars, a Million-Mirror Optical Illusion on Winter Nights
By JOANNA KLEIN It might look like a mother ship hovering above the planet, waiting to carry you […]
A Metal Ball the Size of Massachusetts That NASA Wants ...
By KENNETH CHANG Launching in 2023, the spacecraft Psyche will reach the asteroid of the same name in […]
Bats Like Their Plant Nectar Sweet — Though Maybe the ...
By STEPH YIN An evolutionary riddle suggests plants should give bats a sugar-heavy jolt, but a new study […]
Tilikum, the Killer Whale Featured in ‘Blackfish,’ Dies
By CHRISTINE HAUSER SeaWorld announced that orca, thought to have been around 36 years old, died after suffering […]
On Long Migrations, Birds Chase an Eternal Spring
By CARL ZIMMER Surprisingly indirect migratory paths land birds at way stations just as vegetation and insects become […]
Conditions That Form More Hurricanes Also Protect U.S., Study Finds
By HENRY FOUNTAIN A new analysis suggests that the climatic trends that lead to greater hurricane activity also […]
Radio Bursts Traced to Faraway Galaxy, but Caller Is Probably ...
By DENNIS OVERBYE Researchers say the bursts could be caused by reactions between a neutron star and debris, […]
Evergreen or Not?
By C. CLAIBORNE RAY The needles on a conifer normally turn yellow or brown at predictable times of […]