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The Mackenzie (Dehcho) River is the second-largest river system in North America.

How One Quest for the Northwest Passage Ended at the Icy Mouth of Disappointment River

The Mackenzie River, as it's know today, is North America's second-largest river system–but it wasn't what its namesake was looking for

Engineer Mark Rober posing with his Super Soaker creation

The Innovative Spirit fy17

Ex-NASA Engineer Builds World's Largest Super Soaker

More than a mere toy, this water gun can slice through glass and watermelons

Sixty Years After Its Discovery, a Hut in Scotland Has Been Linked to St. Columba

Radiocarbon dating has proved that the site could have been built and used during the lifetime of the revered saint

The July 14, 1868 patent for a tape measure included these two drawings.

How Hoop Skirts Led to Tape Measures

Eighteenth-century ladies would recognize some things about the modern contractor’s tool

New Research

Scientists Store Video Clip in DNA of Living Cells

This first could lead to health-monitoring molecular recorders inside cells

Sacco and Vanzetti were anarchists at a time when that movement was very different than it is today.

The Biggest Trial of the 1920s Continues to Resonate

Sacco and Vanzetti were on trial for their Italianness and their political leanings as much as for their alleged crimes

The flea-market Enigma machine

Cool Finds

WWII Enigma Machine Found at Flea Market Sells for $51,000

The legendary coding machine was first unearthed by a mathematician with a careful eye who purchased it for roughly $114

Cool Finds

Watch the Sri Lankan Navy Rescue an Elephant Stranded at Sea

It took 12 hours for a team of navy personnel, divers and wildlife officials to pull the creature back to shore

New Research

How Fire Ants Build Incredible Writhing Towers

Using X-rays, researchers find simple rules help the ants raise each other up, which could be useful in robotics

London Tube Scraps 'Ladies and Gentlemen' Announcements

Officials say they want all passengers to feel welcome on the Underground

Norwegian actress and director Liv Ullmann reads from the words of Liu Xiaobo when he was awarded the 2010 Nobel Peace Prize. Xiaobo was imprisoned and unable to accept the award.

Imprisoned Nobel Peace Prize Winner Liu Xiaobo Dies at Age 61

The human rights activist spent his final years in Chinese custody

New Research

Astronomers Find the Smallest Star Yet

The faint orb is just a smidgen bigger than Saturn and around 2,000 to 3,000 times dimmer than our own sun

Kermit the frog (left) and puppeteer Steve Whitmire (right) speak at a Commic-Con panel this year in San Diego.

Kermit the Frog Gets a New Voice for the First Time in 27 Years

Steve Whitmire, who voiced Kermit since Jim Henson’s death in 1990, has departed from the Muppets

John Dee was an accomplished mathematician, but he also said he owned a stone (in his right hand) that was given to him by angels. In Elizabethan England, that wasn't all that odd.

John Dee’s Life Shows Science’s Magical Roots

His life shows a time when science and magic intersected–even for scientists

An artistic rendering of Juno approaching the Great Red Spot while orbiting Jupiter

Trending Today

Stunning Images Capture First Close-Up With Jupiter's Great Red Spot

Take a peek at the solar system's largest storm

This grand-prize-winning image captures a touching moment between a parent gentoo penguin and its and chick.

Art Meets Science

Diverse Splendor of Birds on Display in Audubon Photo Competition

100 of the top submissions can now be viewed online

Two views of the curvy "Venus of Hohle Fels."

Trending Today

World's Oldest Figurative Art is Now an Official World Treasure

The new Unesco world heritage site spans six caves located in the Swabian Alps in Germany

A NASA research plane photographed the widening crack on Antarctica's Larsen C ice shelf on November 10, 2016.

Trending Today

Delaware-Sized Iceberg Breaks Off Antarctica

'Whopper' of an iceberg weighs more than one trillion metric tons—and has been threatening to make the break for years

It looks a bit like a blimp–unsurprising, since Fuller meant it to fly.

Buckminster Fuller Was Good at Ideas, Terrible at Car Design

Fuller held more than 30 patents during his life, but many of his ideas didn't make it off the page–or not for long

Completed in 1939, the Fiat Tagliero service station is one of the city's many Art Deco structures.

Asmara, the Capital of Eritrea, Named World Heritage Site

Eritrean officials lobbied for the designation in a bid to reform their country’s isolationist image

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