Trilobites: A Warning for Dogs, and Their Best Friends, in Study of Fertility

It remains an object strangely out of time, like a souvenir from an era when the domestic aesthetic was all ersatz nostalgia.

Leaders Roll Up Sleeves on Climate, but Experts Say Plans Don’t Pack a Wallop
Unless countries develop more ambitious plans, they say, the world could suffer profound consequences, including debilitating heat waves, food shortages and fast-rising seas.

William M. Gray, Hurricane Predictor and Climate Change Skeptic, Dies at 86
Dr. Gray aggregated measures of atmospheric conditions, water current and water temperature to predict the number and intensity of tropical storms.

2016 Already Shows Record Global Temperatures
A report shows that it has been the hottest year to date, thanks to both climate change and El Niño.

Calls for Shipping and Aviation to Do More to Cut Emissions
Left out of the Paris climate agreement, which is to be signed at the United Nations this week, the two industries nonetheless face pressure to be greener.

Farmers in Arid India Share Camps With Their Cattle
In a nation where cows are both sacred and essential, camps have been set up to preserve them in a drought. But instead of dropping them off, the owners are staying.

Controlled Burn on the Rio Grande
One of the only ways to remove giant cane on the Rio Grande in Big Bend National Park in Texas is by intentionally burning it. A group of American and Mexican firefighters burned 110 acres of it in a remote stretch of the border, as part of a river conservation project.

Crabs Swarming on the Sea Floor
Thousands of red crabs swarmed the ocean floor off the coast of Panama.