The Environment

Designing nuclear-waste repositories is part engineering, part anthropology—and part mythmaking

Thousands of years ago, a space rock hit what is now China, leaving a bowl-shaped crater some 900 meters wide

Oceanographers hope to find otherworldly ecosystems at hydrothermal vents on the Arctic seafloor

Ten years after the Paris climate agreement, the limited progress we’ve made in reducing global warming means that there will be less extreme heat in the future than there would be without the accord

The International Energy Agency says weak climate action and energy security fears are effectively delaying peak fossil fuel consumption

An early cold snap will chill much of the U.S., potentially breaking records in the Southeast

The latest report shows that the estimated number of endangered vaquita porpoises has modestly increased

Reflect Orbital’s plan to deliver “sunlight on demand” using thousands of giant orbital mirrors is just the latest in a growing list of disruptive commercial activities in space

Hurricane Melissa’s rare intensity and lasting impact reveal how storms are evolving in a warming world.

Seismometers picked up the ferocious winds and waves of Hurricane Melissa, showing how the tools can be used to better understand storms today and those from the past

Hurricane Melissa’s powerful winds and drenching rains devastated Jamaica. But is its wrath a sign that we need a new designation for monster storms?

These images of Hurricane Melissa show the Category 5 storm in all its power