Three buckets of radioactive material were inexplicably left in the Grand Canyon museum for almost 20 years.

New federal rules require public systems to measure and mitigate certain harmful man-made chemicals. Maine is already learning how hard that can be.

Here are the scientists who won the midterm elections

If we can learn to speak their language, what should we say?

Hurricane Florence innudated hog-farming country in one of America's top pork-producing states.

Sometimes, a town doesn’t have to be underwater to become uninhabitable. All it has to do is be uninsurable.

Solastalgia has a very specific meaning.

There's a new EPA rule on asbestos.

In our era of extreme weather, this is how we’ll watch the world change.

The hazards are only becoming clearer; what the U.S. will do to protect people is not.

Current and former officers, union leaders, and internal documents all describe an agency that is overburdened and understaffed, struggling to keep up with the growing migrant crisis.

A bioluminescent petunia could help people recognize plants for the complex creatures they are.

A bioluminescent petunia could help people recognize plants for the complex creatures they are.

The math isn’t adding up.

Wildfire smoke may be worse for your brain health than other air pollution. New research links it to an increased risk of dementia.

In a rare observed case of self-treatment in a wild animal, scientists documented an orangutan applying a medicinal plant to a wound on his face.

A new report says the resources were removed last fall.

A group of prominent biologists and philosophers announced a new consensus: There’s “a realistic possibility” that insects, octopuses, crustaceans, fish and other overlooked animals experience...

Readings of a key indicator of heat exposure danger have reached the highest possible threat level in multiple southern states, as well as in a few states in the Midwest.

Winter is warmer and summer is sweltering, with torrential afternoon downpours. What’s next, palm trees?

If you’re one of millions of Americans exposed to air pollution, you may be at a greater risk of catching the coronavirus — and of having a more severe infection.

We’re just sticking a toe into the climatic realm of the previous interglacial period, not living in it—yet.

But it is.

The crux of a devastating UN report: We have to change our economy. Incessant economic growth is fundamentally at odds with the survival of all life.

It's more complicated than you think.

Nex Benedict died one day after a fight in a school bathroom. Their mother Sue Benedict tells Bevan Hurley that the gender fluid teenager endured more than a year of abuse simply for being who they...

The Exxon release was published an hour before the White House statement

A Hush Puppies shoe factory leached chemicals into hundreds of private drinking wells in Michigan.

Trump administration officials barred experts from warning legislators that they were about to write a major environmental loophole into law, Environmental Protection Agency (EPA) staffers alleged …