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Scientists say they think the finding could lead to drugs that yield the benefits of dieting, without an actual reduction in eating.

Slack, the messaging service used by millions of people for work and school, suffered a global outage on Monday, the first day back for most people returning from the New Year's holiday.

Dyson's ideas often occupied a space between science fiction and science. He helped design, among other things, a nuclear reactor that could be safely operated "even in the hands of an idiot."

With a green light from federal health officials, several states resumed use of the one-shot Johnson & Johnson coronavirus vaccine on Saturday.

San Diego County public health officials reported 3,815 new COVID-19 infections Wednesday and a record number of hospitalizations.

Could smoke carry disease-causing microorganisms? "It's a very new idea to think of smoke as having a living component," says Leda Kobziar, co-author of an article that explores this theory.

A mysterious disease is killing off the West Coast's enormous sunflower sea star, so researchers have launched an ambitious effort to breed this species in captivity.

White evangelical Christians are one of the most vaccine-hesitant groups in the United States. They're also among the largest religious groups, and their reluctance poses a public health challenge.

Independence Day fireworks can be dangerous and terrifying for our pets. Here's how animal experts advise keeping your furry friends safe this weekend.

Independence Day fireworks can be dangerous and terrifying for our pets. Here's how animal experts advise keeping your furry friends safe this weekend.