Science

Scientists Are Working on a Pill That Just Might Replace Exercise

The idea is to create a drug that mimics the molecular changes exercise causes in the body. But it's no small challenge

Joseph Gordon-Levitt as Philippe Petit in The Walk

What Happens to Your Body When You Walk on a Tightrope?

It's more than just an insane amount of courage that gets people on the tightwire

The Rise of DIY Genetic Testing

Some people are skipping the doctor's office and using the internet to order and interpret their own DNA tests

Shaving was something of a job on all the Apollo missions because in Zero-G, water doesn't just run off the face.

New Photos From Apollo Mission Depict the Mundane Daily Tasks of Astronauts at Work

From the original film rolls that the astronauts took into space, a work-a-day routine emerges of Apollo mission voyages

By the time the Salt River reaches downtown Phoenix, it is a river in name only. Some scientists think that is why a non-native plant, the salt cedar, is thriving while native flora are suffering.

Age of Humans

How We Created a Monster In the American Southwest

The salt cedar is often seen as an un-killable invader. But are humans the real reason this unwanted plant is thriving?

A view from Mota Cave in Ethiopia, where archaeologists found the remains of a 4,500-year-old human.

New Research

Back to Africa: Ancient Human Genome Reveals Widespread Eurasian Mix

Genes from a 4,500-year-old skeleton from Ethiopia show how migrations shaped modern populations

Soldiers pose with bison heads captured from poacher Ed Howell. In the early days of Yellowstone, poaching, setting the park on fire and defacing its hot springs were rampant.

Age of Humans

How the U.S. Army Saved Our National Parks

Before the National Park Service, Yellowstone was guarded by the cavalry. Without them, we might not have national parks today

Age of Humans

See the Two Ship Graveyards That May Become New Marine Sanctuaries

The first marine sanctuaries approved by NOAA in 15 years are home to a plethora of shipwrecks

The wings of the Arctic fritillary butterfly have decreased in size since 1996.

Age of Humans

Greenland's Butterflies Are Shrinking as Temperatures Rise

In the high Arctic, hotter summer weather may be taxing insect metabolism

How Waves Could Have Created the Loch Ness Monster

Watch Tom Davey test his hypothesis with a state-of-the-art wave pool

Baby tree saplings, cloned from giant redwoods in California, chill out in the Archangel Ancient Tree Archive's propagation area.

Age of Humans

The Race to Save the World's Great Trees By Cloning Them

A nonprofit dedicated to preserving old, iconic trees is cloning them in hopes of preserving them for the future

A young chimpanzee sets out for a stroll in Tanzania's Mahale Mountains National Park.

New Research

Walking Chimps Move in Surprisingly Similar Ways to Humans

Motion-sensor studies showing how chimpanzees walk upright could help scientists better understand the evolution of bipedalism

You Do Not Want to Get Tased by This Eel

The electric eel generates electric shocks of up to 1,000 volts, 80 times the electric voltage of a car battery. Watch a caiman learn this the hard way

The shiny, dark crust of a meteorite emerges from the snow during an ANSMET collection trip to Antarctica.

Space Rock Hunters Are About to Invade Antarctica

Scientists with the ANSMET program will endure six weeks near the South Pole during an annual field trip to find meteorites

The flat-tail horned lizard's desert habitats in the American West are changing rapidly, thanks to us humans.

Age of Humans

Even Desert Lizards Are Feeling the Heat Due to Climate Change

But Smithsonian scientists are probing the flat-tail horned lizard's DNA to save the rare species

The Kirtland's warbler needs humans to cut and replant the trees it nests in. Without this work, the species' painstaking recovery from less than 1,000 males to over 2,000 could be erased.

Age of Humans

This Bird Didn’t Start the Fires, But It May Need Them to Survive

An endangered bird once threatened by humans now relies on us for its survival

A relative unknown, Werner Forssmann won the 1956 Nobel Prize in Physiology or Medicine for inventing the cardiac catheter. Some of his equally qualified peers have not been as fortunate.

How Not to Win a Nobel Prize

A search through the Nobel archives shows how the history of the famous prize is filled with near misses and flukes

Cumulus clouds don't literally have silver linings, but their edges are sharper than we thought.

New Research

Holograms Show That Puffy Clouds Have Sharp Edges

A laser-based imaging technique let scientists see what happens to water droplets at the borders of cumulus clouds

Hot or not? Your answer may depend on your life experiences as much as your genes.

New Research

What's Beautiful? It Depends on What Your Eyes Have Already Beheld

Opinions about beauty may be shaped just as much by past social interactions as by our genes

With jaws agape, the Smithsonian's T. rex will eat "Hatcher," the Triceratops.

When T. Rex Meets Triceratops in the New Dino Hall, It Will Be a Violent Affair

The Natural History Museum's dinosaur display highlights the “red in tooth and claw” nature of the Cretaceous way of life

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