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From revelations about the hidden messages in burbling lakes of lava to the staggering costs of runaway climate change, these 10 stories shed light on our planet and how we're changing it. They include our editor's picks and some our best-read stories for the year.
Why did the first big, complex organisms spring to life in deep, dark oceans where food was scarce? A new study finds great depths provided a stable, life-sustaining refuge from wild temperature swings in the shallows.
As climate change drives mountain-dwelling pikas to higher altitudes, the animals can dial certain genes up or down to make the most of their cooler home’s limited oxygen.
Volcanic carbon dioxide vents off the coast of Italy are rapidly acidifying nearby waters, providing a crystal ball-view into potential future marine biodiversity impacts around the world.
Scientists have debated until now what made Earth's oceans so inhospitable to life that some 96 percent of marine species died off at the end of the Permian period. New research shows the "Great Dying" was caused by global warming that left ocean animals unable to breathe.
Scientists discovered a protein that modifies a microbe’s membrane and helps it survive in hot, acidic environments, proving a long-standing hypothesis that these structures have a protective effect.
A new study shows loss of habitat in Canada’s Peace-Athabasca Delta is likely responsible for the decline of semi-aquatic muskrat, and could have larger implications.
A new study supports the long-debated idea that all species – even highly mobile animals – are clustered together in geographically unique areas, and opens a path to better protection of little-known species.
A new study offers some of the first evidence that coral bleaching may trigger rapid and potentially disruptive change in fish behavior.
A new method for observing water within ice has revealed stored meltwater that may explain the complex flow behavior of some Greenland glaciers, an important component for predicting sea-level rise in a changing climate.
Diversity reigns when water gets scarce. New research suggests the most resilient forests are made up of trees that have a wider variety of rates for water moving up from the soil.
As glaciers melt, nutrients they contain run into the ocean and fertilize local algal blooms. Although these food oases feed local animals, they don’t make up for global challenges produced by melting ice sheets.
New research shows early farmers in southern Anatolia, Turkey turned to drought-resistant sheep and goats during a well-documented climate shift 8,200 years ago.
Federal plans to complete a continuous wall along the U.S.-Mexico boundary would threaten the existence of numerous plant and animal species. Stanford’s Paul Ehrlich and Rodolfo Dirzo look at the region’s unique natural ecosystems, and what they have to lose.
Different species almost always coexist – whether it’s big animals on the plains, bugs in a jungle or yeasts in flower nectar – but how that works is complicated. Now, Stanford researchers have teased apart competing theories of how species live together.
Geologists assume when they find molecules called sterols in soils or rocks they indicate the presence of plants, animals or fungi in ancient environments. But discovering how some bacteria also produce and modify sterols could change those interpretations.
Fossil study finds early human activity — not climate shifts — led to the decline of large animals before the first human migrations out of Africa. The findings add to concerns about continued biodiversity loss.
Super salty water beneath ice may be analogue for habitat for life on other planets
Examining body sizes of ancient and modern aquatic mammals and their terrestrial counterparts reveals that life in water restricts mammals to a narrow range of body sizes – big enough to stay warm, but not so big they can’t find enough food.