Science

World leaders at the annual United Nations climate talks have battled for years over whether they should “phase out” fossil fuels like coal or just phase them “down.”Now, another phrase has taken...

CVS Health, the nation’s largest pharmacy chain with more than 9,000 locations, said on Tuesday that it planned to change the way its pharmacies are paid for the medications they dispense, in...

Dr. William P. Murphy Jr., a biomedical engineer who was an inventor of the vinyl blood bag that replaced breakable bottles in the Korean War and made transfusions safe and reliable on...

In the Bordeaux region of southwest France, scores of vineyard estates transform finicky grapes into bold blends of red wine. Some bottles sell for thousands of dollars each. Prestigious chateaus boast about...

Despite years of commitments from countries to slash the emissions of greenhouse gases that are warming the planet, they are still on the rise.Carbon dioxide released from burning fossil fuels is expected...

Every single mosquito that’s ever bitten you has been female. For them, a meal of blood is the ultimate girl dinner. Only females have mouth parts capable of piercing skin. But insects...

Most older Americans want to live at home as long as they can, but finding and affording the help they need often isn’t easy. There are severe shortages of home health aides...

A small group of Republican senators on Friday called on President Biden to ban travel from China to protect against an outbreak of respiratory illnesses in children there, even as scientists and...

What’s in a number?According to a recent calculation by a team of biologists and geologists, there are a more living cells on Earth — a million trillion trillion, or 10^30 in math...

Such signals could help the dolphins home in on prey hiding on the seafloor. Bottlenose dolphins perform what’s called crater feeding, said Denise Herzing, a marine mammalogist at the Wild Dolphin Project...