Science

The American tropics are uniquely blessed with birds. Thirty-six percent of the world’s 11,000 bird species live in the region south of the border between the United States and Mexico, more than...

One of the few treatments the Food and Drug Administration has approved for amyotrophic lateral sclerosis has failed a large clinical trial, and its manufacturer said Friday that it was considering whether...

Motherhood takes many shapes. Most vertebrates, like birds, reptiles, amphibians and fish, reproduce by laying eggs filled with nourishing yolk that their offspring use as an initial source of nutrition before hatching....

The Senate on Thursday passed bipartisan legislation that would significantly expand a law allowing victims of government-caused nuclear contamination who developed cancer and other serious illnesses to receive federal compensation.The 69-to-30 vote...

When Voyager 1 launched in 1977, scientists hoped it could do what it was built to do and take up-close images of Jupiter and Saturn. It did that — and much more.Voyager...

Researchers with the New England Aquarium were conducting a regular survey of the waters south of Martha’s Vineyard and Nantucket in Massachusetts last week when something caught their eye.What they spotted, a...

The Alabama legislature on Wednesday is expected to approve legislation intended to make it possible for fertility clinics in the state to reopen without the specter of crippling lawsuits.But the measure, hastily...

On Valentine’s Day, Melissa Torres strung up red tinsel hearts around a shallow pool at her workplace, the Birch Aquarium at Scripps Institution of Oceanography in La Jolla, Calif. She and her...

Ellen Bernstein, a river guide turned rabbi who blazed a spiritual trail in the environmental movement by undergirding it with the Hebrew Bible’s veneration of nature, died on Feb. 27 in Philadelphia....

Estella Bergere Leopold, a botanist who examined ancient pollen to illuminate the effects of climate change — and who, as the last child of the pioneering environmentalist Aldo Leopold, helped preserve her...