Scientists have found a dead Asian giant hornet north of Seattle, the first so-called murder hornet discovered in the country this year...

Once dismissed by most public health experts and government officials, the hypothesis that COVID-19 leaked from a Chinese lab is now receiving scrutiny under a new U.S. investigation...

The inaugural harvest of genetically modified salmon began this week after the coronavirus pandemic delayed the sale of the first such altered animal cleared for human consumption in the United States...

A California condor egg has hatched in Northern California’s wild, the newest member of Pinnacles National Park’s recovery program for the endangered species...

New research shows ferocious tyrannosaur dinosaurs may not have been solitary predators as long envisioned, but more like social carnivores such as wolves...

New research shows ferocious tyrannosaur dinosaurs may not have been solitary predators as long envisioned, but more like social carnivores such as wolves...

The Biden administration says the U.S. is setting up a $1.7 billion national network to identify and track worrisome coronavirus mutations whose spread could trigger another pandemic wave...

New Jersey environmental authorities say a bacteria appears to be killing fish in several waterways...

A new national study adds strong evidence that mask mandates can slow the spread of the coronavirus, and that allowing dining at restaurants can increase cases and deaths...