ENVIRONMENT

The Greenland ice sheet lost 20 percent more ice than scientists previously thought, posing potential problems for ocean circulation and sea level rise, a study says.

An avian flu panzootic — a pandemic among animals — has struck hundreds of bird and mammal species, including elephant seals.

A more active sun is expected to bring brilliant northern lights displays to Earth but also disrupt satellite communications.

Maryland officials said the state’s annual count measuring reproductive success and potential population growth for oysters is the highest in 40 years.

A new study in the journal Science found the number of sharks killed by fishing is still going up despite government efforts to save the ocean predators

The Maui County Council could give final approval this week on setting up a “temporary containment site” for ash and debris from the Lahaina wildfire.

New research shows that once snow loss starts, it accelerates rapidly, putting hundreds of millions of people at risk of losing snow crucial for water supply.

The EPA funding will allow school districts to purchase electric and low-emission buses, but it could be a bumpy transition for some districts

A beached fin whale in San Diego was likely the latest victim of a pod of marauding orcas. But the orcas’ presence is actually a sign of a recovering ecosystem.

The Biden administration vowed to protect Gulf Coast communities from dangerous pollution. But refineries continue to exceed safe levels.

The mistake would prove to be the latest in a series of concerns, driving the American Chestnut Foundation to pull its support for the effort.

Blood clots, bed sores, bone loss — there is a whole host of ailments bears and other hibernating animals appear to avoid. So doctors and veterinarians are probing their deep-sleep ability.

The last two Christmastime full moons happened in 2015 and 1977. The next one won’t occur until 2034.

For Dr. Sagoff, nature’s voice and value were lost in the world of modern economic planning.

Washington, D.C., is awash in water. It was built on fill and its natural waterways, long buried, are coming back to life.

Rudolph’s red nose may have gone down in history, but wait until you hear about the reindeer’s powerful vision.

Even those accustomed to enduring Alaskan winters have been tested by a recent onslaught of extreme precipitation — part of a pattern that scientists predict will worsen as the planet warms.

The Arctic continues to become less icy, wetter and greener.