Science

Caribou herd mountain crossing in Alaska Range.

New Research

How Killing Moose Can Save Caribou

Conservation often requires difficult decisions

Backyard Worlds is using the power of citizen scientists to search for the elusive Planet 9.

The Universe Needs You: To Help in the Hunt for Planet 9

How one citizen science endeavor is using the Internet to democratize the search for distant worlds

A geologist looks out into a caldera in Nevada's McDermitt Volcanic Field.

Future of Energy

Will Supervolcanoes Help Power Our Future?

Vast new deposits of lithium could change the global politics of battery production—if we can get at them

Anandibai Joshee (left), Kei Okami and Tabat M. Islambooly, students from the Woman's Medical College of Pennsylvania.

Women Who Shaped History

This 19th Century "Lady Doctor" Helped Usher Indian Women Into Medicine

Ananabai Joshee dedicated her career to treating women and helped blaze a path for international doctors training in the U.S.

Scott Kelly upon his return to Earth.

Scott Kelly's Journey Home After His Year in Space

America’s longest-orbiting astronaut describes his rocky return to Earth in this adaptation from his book 'Endurance'

The H.L. Hunley, a confederate Civil War era submarine, sits in its water tank at the Hunley Lab in North Charleston, SC.

One Scientist May Have Finally Figured Out the Mystery of Why a Civil War Submarine Sank

A Navy engineer used creative modeling and her knowledge of underwater explosions to tackle the century-old Hunley conundrum

Bei Bei noshes on some bamboo in his "Birthday Boy" box as spectators look on. His "cake," shaped like a numeral 2, is visible to his right.

Pandamonium

Bei Bei the Panda Cub Celebrates his Second Birthday in Style

The notorious sleepyhead manages to rouse himself for fans

Male wolf spiders may have eight eyes, but they still can't tell whether the female they're mating with is dead or alive.

Whoa: Polygamous Wolf Spiders Have a Natural Form of Birth Control

Females have figured out how to get rid of unwanted sperm, allowing them to reap the benefits of multiple mates

One of the best-known paintings of the doomed Franklin expedition. Full title: "They forged the last link with their lives: HMS ‘Erebus’ and ‘Terror’, 1849–1850."

A Dentist Weighs in On What Really Doomed the Franklin Expedition

Addison’s disease may have blackened the explorers' gums and hastened their demise, proposes a history-obsessed dentistry professor

Warning: Here's a King Cobra Swallowing Another Snake Whole

Raja the King Cobra is about to eat. He’s sunk his teeth into an ambushed rat snake, shot a dose of neurotoxin into it, and is now about to swallow it

Watch Two King Cobras Romance Each Other

King cobra mating techniques aren’t subtle. To indicate his interest, the male will engage in frequent headbutting with the female

NASA's Earth-orbiting satellite Hinode observes the 2011 annual solar eclipse from space.

Eclipse 2017: In Pursuit of Totality

You’ve made plans, packed bags, obtained glasses. Here's what to read to fully appreciate this event in all its glory

Humpback whales sounding in Windham Bay, Alaska.

What Humpback Whales Can Teach Us About Compassion

Are these orca-fighting, seal-saving good Samaritans really just in it for themselves?

This Pueblo rock carving in New Mexico might represent a remarkable solar eclipse dating back to 1097.

This New Mexico Petroglyph Might Reveal an Ancient Solar Eclipse

In 1097, a Pueblo artist may have etched a rare celestial event into the rock for all of posterity

Monarch caterpillars feeding on milkweed leaves and dropping their feces (taken in the laboratory facility).

How Insect Poop Could Solve All Our Problems

Bugs use their feces for weapons, navigation and gardening. Can we tap into this poop party?

No ornamental fish antibiotics are regulated by the FDA.

This Is Why Taking Fish Medicine Is Truly a Bad Idea

Those who misuse aquatic antibiotics are playing a dangerous game with their health, doctors and veterinarians say

A NASA image of Hurricane Sandy moving along the United States' East Coast. Extreme weather events like this are becoming more frequent, but scientists still face challenges when attributing any one storm to climate change.

Ask Smithsonian 2017

Does Climate Change Cause Extreme Weather Events?

It's a challenge to attribute any one storm or heat wave to climate change, but scientists are getting closer

Like humans, individual tigers react differently to sedatives, says Minnesota Zoo veterinarian Rachel Thompson.

The Big Unsexy Problem With Tiger Selfies

Why drugging and caging the cats for Tinder photos is even more messed up than it sounds

Plotting a route out? German prisoners in Britain during WWII.

This Newly Excavated Underground Tunnel Reveals How 83 German Officers Escaped a World War II Prison Camp

The POWs burrowed to freedom from a Welsh encampment in 1945

Ampelopsis brevipedunculata, or porcelainberry originated in China, Korea, Japan and Russia, but is a vigorous invasive in the United States.

The Innovative Spirit fy17

Scientists Are Using This Collection of Wood Samples to Combat Illegal Logging

Archie F. Wilson loved wood enough to amass the country’s premiere private collection. Now scientists are using it as a weapon against illegal logging

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