Biodiversity

"Four whales have died near San Francisco this year after ships crashed into them, and scientists hope to drive that number to zero with new technology."

"Biosecurity advisers to the federal government are calling for tighter scrutiny of experiments with potentially dangerous viruses and other pathogens, reflecting an ongoing debate within the scientific community over the benefits and risks of such laboratory research."

"Kristin Muller said she was sickened by the sight of the half-eaten remains of her cherished cat, Milkshake, on a neighbor’s lawn."

"Mayflies are among nature’s best environmental sentinels — and their current message to us is grim".

"Once pushed to the brink of extinction, condors are soaring in Northern California skies again with the help of an Indigenous tribe and a team of scientists."

"Across Appalachia, scientists and foresters are trying to reintroduce a hybrid version, helping to revive damaged land while also bringing back a beloved tree."

"A bay-breasted warbler weighs about the same as four pennies, but twice a year makes an extraordinary journey. The tiny songbird flies nearly 4,000 miles (6,437 kilometers) between Canada’s spruce forests and its wintering grounds in northern South America."

"To save endangered eels, researchers have been working for decades to figure out where they reproduce."

"German cities are turning off some lights at night, which not only saves money and electricity but benefits human health, the climate and biodiversity."

"A soaring bald eagle is spellbinding. A growling grizzly is awe-inspiring. A swimming hellbender? You might not be able to picture that one."