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Earth

Stone Age Cow Underwent

Cranial Surgery 5,000 Years

Ago

Stone Age Cow Underwent

Cranial Surgery 5,000

Years Ago

Earth

Mammal Mass Shrank as Hungry Humans Learned to Hunt

A downward trend in mammal size beginning 125,000 years means the largest land animal may soon be the domesticated cow.

Top Stories

Health

Atoms From Nuclear Explosions Are Embedded in Your Brain, But You’re Fine

Earth

Media Representations of Animals Are Distorting Our Perception of Their Extinction Risk

Earth

Mississippi Delta Land Loss Is Likely to Outstrip Restoration Effort

Trending Topics

animals

Animals

This Extinct Monitor Lizard

Had Four Eyes

This Extinct Monitor

Lizard Had Four Eyes

Animals

Chimp Civil War Observed by Jane Goodall Began With Tensions Between Three Males

Animals

Here’s Why Marine Mammals Are Big — But Not Too Big

Animals

Making Paper From Poop Offers a Solution to the World’s Manure Problem

climate

Climate

The Sahara Is Expanding, and

Human-Caused Climate Change Is

Partially to Blame

The Sahara Is Expanding,

and Human-Caused Climate

Change Is Partially to

Blame

Climate

The World Is Supposed to Cut Its Carbon Emissions, But It’s Not Happening

Climate

A Warming Arctic Could Be Driving More Winter Storms in Lower Latitudes

Climate

Genetic Hack Makes Plants Use 25 Percent Less Water

conservation

Conservation

It’s Not Just an Ocean

Problem. Microplastics Pollute

Rivers, Lakes, and Land, Too

It’s Not Just an Ocean

Problem. Microplastics

Pollute Rivers, Lakes, and

Land, Too

Conservation

Pollution Is Transforming Thoreau's Once Pristine Walden Pond

Conservation

Less Than a Quarter of the Earth Has Escaped ‘Substantial Impacts’ by Humans

Conservation

Humankind’s Voracious Appetite for Nature Is a Threat to Our Well-Being

energy

Energy

MIT Aims to Harness Fusion

Power Within 15 years

MIT Aims to Harness Fusion

Power Within 15 years

Energy

How to Turn Carbon Dioxide Pollution Into Useful Products

Energy

Harvesting Energy From Solar Panels — Rain or Shine

Energy

GE Goes Big on Wind Power with Massive New Turbines