Earth Sets a Temperature Record for the Third Straight Year
Surface temperatures are heading toward levels that many scientists believe will pose a threat to both the natural world and to human civilization.
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Surface temperatures are heading toward levels that many scientists believe will pose a threat to both the natural world and to human civilization.
By JUSTIN GILLIS and JOHN SCHWARTZ
2016 is the hottest year on the historical record and the third consecutive record-breaking year, scientists say.
By JUGAL K. PATEL
From gorillas to gibbons, a wide-ranging survey finds that the world’s primates are in steep decline.
By CARL ZIMMER
More than 2,000 readers submitted questions on climate change, industry influence and other topics for Mr. Pruitt, who goes before a Senate panel Wednesday.
By TATIANA SCHLOSSBERG
An unconventional alliance between scientists and those often considered to be looters has begun to shed light on a tribe’s history and a 17-century war in Connecticut.
By TYLER J. KELLEY
Eugene A. Cernan, who died on Monday at the age of 82, was the last of a dozen men to leave footprints on the moon. He did so almost 45 years ago. Here is a look at the 12 astronauts who walked on the lunar surface.
By ROCHELLE OLIVER and AMISHA PADNANI
Japan’s Akatsuki spacecraft detected what scientists called a gravity wave above the solar system’s second planet, but it hasn’t been seen since.
By KENNETH CHANG
Where are the miracle treatments we were promised? A Nobel Prize-winning scientist explains.
By WALLACE RAVVEN
Researchers tied a complicated knot at the molecular level, which could be used to make materials in the future that are stronger, lighter and more flexible.
By NICHOLAS BAKALAR
A macabre Twitter battle emerged after a group of scientists who study African carnivores starting sharing photos of prey from the field.
By JOANNA KLEIN
Scientists observed the bright red sea creatures in the waters off Western Australia with the help of a remotely operated vehicle.
By NICHOLAS ST. FLEUR
Orcas are one of the few species that outlive their fertility, and researchers believe reproductive conflict between mothers and daughters might explain why they develop menopause.
By STEPH YIN
After analyzing more than 1,500 hyolith fossils, researchers concluded they are most closely related to present-day brachiopods, not mollusks.
By NICHOLAS ST. FLEUR
The camera on the Mars Reconnaissance Orbiter needed to be calibrated, so it made this image of the moon and Earth, which NASA released on Friday.
By NICHOLAS ST. FLEUR