Pets should never be left alone in a parked vehicle — even in the shade with the windows cracked, or idling with the air conditioner on — to avoid tragedy.
Biologists say a genetic quirk on the X chromosome may give some women a fourth color channel — but does that really mean 100 million extra colors?
Biologists say a genetic quirk on the X chromosome may give some women a fourth color channel — but does that really mean 100 million extra colors?
A major Science review of nearly 35,000 elite performers found early specialization often backfires, and slow, varied growth wins in the long run.
Four-minute miles are almost routine. Middle schoolers are beating college runners. Inside the youth track boom that’s turning kids and teens into speed machines.
Bright noctilucent clouds are glowing across northern skies. Here’s what creates these rare space clouds and how to see them from the northern U.S.
Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

Researchers from three French and Italian universities found that access to AI advice collapsed people’s willingness to say “I don’t know” from 44% to 3%. Accuracy dropped from 27% to 9%. Confidence, meanwhile, rose from 30% to 76%. “People became much…
New global research reveals why couples who feel most alike aren’t always the happiest — and what actually predicts lasting relationship satisfaction.
Forecasters expect a system in the Gulf to become a Tropical Depression soon. Could it strengthen to become Tropical Storm Bertha?