Category: Science

Experts are puzzling over which interventions are saving lives. The evolving illicit supply itself may hold important clues.

A second Trump administration could alter the lives of all sorts of animals, whether they live in laboratories, zoos, fields or forests.

Public health advocates worry that Donald Trump could unravel federal clean water efforts, including restrictions on lead pipes and chemicals known as PFAS.

Iran has raised the possibility it would stop expanding its stockpile of uranium enriched to a purity of 60 percent — very close to the level needed for a weapon, the U.N.’s nuclear watchdog says.

Journals had retracted papers on superconductors that worked at room temperature and materials science that involved Ranga Dias.

An analysis of newly released 19th-century census records offers more insight into the conflict’s costs.

The company will try to catch the giant booster of its moon and Mars rocket for a second time on Tuesday afternoon.

If he is confirmed as H.H.S. secretary, the longtime vaccine critic would be in a position to change the government’s immunization recommendations and delay the development of new vaccines.

As the glaciers of South America retreat, the supply of freshwater is dwindling and its quality is getting worse.