Pre Rup Temple rises in the distance as a worker fills a cart during the rice harvest in Siem Reap Province, Cambodia.

Podcast: Farming Shaped the Rise and Fall of Empires in Cambodia

Beneath the country’s troubled history with the Khmer Rouge lies a complex agricultural legacy that reaches back centuries

A supercomputer simulation shows the gravitational waves produced as two black holes merge.

New Research

After a Century of Searching, We Finally Detected Gravitational Waves

Two merging black holes sent out a signal 1.3 billion years ago that now confirms a key prediction of Einstein’s relativity

A free-standing, double-hulled steel shelter was installed beneath the front yard of Mr. and Mrs. Murland E. Anderson of Ft. Wayne, Indiana.

Dig Into the Nuclear Era’s Homegrown Fallout Shelters

In 1955, the head of Civil Defense urged everyone to build an underground shelter “right now”

An artist's rendering of the galaxies hiding beyond the veil of the Milky Way.

Think Big

Hundreds of Galaxies Were Found Hiding Behind Our Milky Way

The objects may help explain why our galaxy and its neighbors are hurtling towards a seemingly blank zone called the Great Attractor

When CO2 rises, wet and wild planets may lose their oceans to space.

New Research

Looking for Life Beyond Earth? Watch Out for Steam Bath Planets

Simulations show that water and CO2 can be a surprisingly deadly combo on some unfortunate worlds

Ain't no rest for the wicked … or the innocent.

New Research

Sleepy Suspects Are Way More Likely to Falsely Confess to a Crime

In a study, almost 70 percent of sleep-deprived people admitted to something they didn’t do

Ask Smithsonian: Why Do We Kiss?

According to philematology, or the science for the study of kissing, romance has little to do with it

Trainer Liz Seely and Tucker head out to search for scat on a research boat.

Meet the Dogs Sniffing Out Whale Poop for Science

Inspired by drug-detection programs, these canines scour the sea for samples that aid in conservation research

“One out of every four deer that you see on your lawn or in the woods is infected with malaria,” says Ellen Martinsen.

One in Four U.S. Deer Is Infected With Malaria

Scientists suspect the undetected blood parasite has been present in the animals ever since they arrived across the Bering Land Bridge

Why Polar Bears Like to Wrestle in the Winter

Polar bears enjoy a good wrestle. It’s an activity which reinforces social ties and may help get them in shape for the hunting season ahead

Thousands of infants born in Brazil have been reported to show signs of microcephaly, like Alice pictured here being comforted by her father.

How Can Viruses Like Zika Cause Birth Defects?

While the link between Zika and microcephaly is uncertain, similar diseases show how the virus might be affecting infants

A great reed warbler croons at his breeding grounds in the Netherlands.

New Research

These Birds Spend Winter Practicing Their Love Songs for the Ladies

Some migratory species may spend their time in Africa getting ready to woo mates in the spring

Wild vultures in Mongolia are key components of sky burials.

Age of Humans

Podcast: Why Sky Burials Are Vanishing in Mongolia

In this episode of Generation Anthropocene, urbanization and environmental decline put a sacred ritual for the dead at risk

An Indian Municipal Corporation sanitation worker fumigates as part of a drive to curb breeding sites for mosquitoes causing a dengue outbreak in New Delhi in October 2015.

Age of Humans

The World’s Megacities Are Making Dengue Deadlier

Outbreaks are more common now thanks to bigger cities and more places for mosquitoes to live

White rhinos graze in Nakuru National Park, Kenya.

Future of Conservation

Five Ways to Fight Wildlife Crime in the Digital Age

From GPS-tagged eggs to smartphone apps, these emerging technologies could help give endangered species a chance at survival

Outrigger canoes race in the Majuro lagoon in the Marshall Islands. Traditional Marshallese wave piloting uses the feeling of the ocean to navigate precisely across vast stretches of open water.

Age of Humans

Science and Tradition Are Resurrecting the Lost Art of Wave Piloting

Can Marshall Islanders’ unique heritage help them navigate a rising ocean?

Microbeads and other tiny plastics could knock this aphrodisiac off the menu.

New Research

Your Cosmetics May Be Killing a Popular Aphrodisiac: Oysters

Microplastics from beauty products and other sources affected oysters’ ability to reproduce in laboratory experiments

Mom and baby share a lot, including their microbial ecosystems.

New Research

Does Having a C-Section Alter Baby’s First Microbiome?

A study of cesarean babies swabbed with birth canal fluids suggests that some newborns may be missing out on helpful microbes

A picture snapped by Spirit near Home Plate shows silica formations poking out of the soil, which may have been formed by microbial life.

Mysterious Martian ‘Cauliflower’ May Be the Latest Hint of Alien Life

Unusual silica formations spotted by a NASA rover look a lot like structures formed by microbes around geysers on Earth

This casket was made from reclaimed wood. At "green cemeteries" around the country, there is a movement to use fewer harmful chemicals and non-renewable resources in funerals and burials.

Age of Humans

Could the Funeral of the Future Help Heal the Environment?

A traditional ten-acre cemetery holds enough embalming fluid to fill a small swimming pool. But there may be a greener way

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