Cephalopods are masters of camouflage. Scientists want to decipher how the process works in the brain.

President Trump said Russia had agreed to ship potentially millions of tons of diesel fuel in the coming months. But the amounts would be small relative to global demand.

The storm underwent a process that meteorologists call “rapid intensification.”

Two men, who arrived separately from Cuba days apart, each carried clutches of live birds concealed in their clothes, the authorities said.

Despite whatever else is going on with the film, “Digger” is one of the most audacious attempts yet to spread awareness about global warming.

The director, Michael Brennan, oversees 45 federal workers, including hurricane specialists and meteorologists.

Joe Romm was a prolific writer who never hesitated to take on climate change deniers and the fossil-fuel industry — or even ostensible allies.

Energy Secretary Chris Wright, speaking at The New York Times’ annual Climate Forward event, dismissed reports that President Trump was preparing to ban U.S. exports of diesel in a bid to lower energy prices.

Abhijeet Dipke started the movement as a joke. But after ousting a minister over a dysfunctional college entrance exam system, India’s youth say they now want to save democracy.

The total footprint of buildings along flood-prone riverbanks in the Himalayas grew by half in recent years, a study found.

Republican and Democratic senators struck a deal to vote on the largest overhaul of federal energy and environmental rules in decades.

Monday’s arguments were highly technical. A decision about whether the case could move forward isn’t expected until June or July.

It takes a long time to build new nuclear plants. So, some U.S. companies are looking to get more electricity out of reactors that already exist.

Archaeologists are scouring mountain passes as artifacts from a bygone world all but tumble out of Switzerland’s shrinking ice.

Switzerland has lost almost 20 percent of its ice within just five years. One surprising consequence of this melting is that ancient artifacts once frozen in the glaciers are now revealing themselves. Our climate reporter Raymond Zhong takes us on a search for ancient objects.

The justices began their new term with a landmark dispute over whether local governments can hold oil companies liable for damages from climate change.

Trade blockages in the Persian Gulf have reminded the world that there are forces as great as or greater than technology and globalization.

Faced with a president who has called global warming a hoax, officials have filed dozens of suits against oil companies to try to cover the costs of extreme weather.

We asked 100 scientists about unsolved problems in their fields. They sent back provocations — on the origins of life, the possibilities for human progress and much more.

Under pressure from Congress, a network of ocean monitors that provides vital data to meteorologists, climate scientists, oceanographers and the fishing industry is being restored.