Viking tar kiln.

Was the Vikings' Secret to Success Industrial-Scale Tar Production?

Evidence suggests that the ability to mass-produce tar bolstered their trade repertoire and allowed them to waterproof and seal their iconic longships

See L.A.'s Strangest Sculpture Shine Bright Once Again

Built in the 1970s, the Triforium was designed to sync light and music but the costly venture was ahead of its time

Hovenden House.

Developers and Preservationists Clash Over Underground Railroad Stop

Opponents say a plan to build 67 townhomes near Hovenden House and Abolitionist Hall outside Philadelphia will destroy the area's heritage space

Russian cosmonaut Fyodor Yurchikhin on a spacewalk in 2013, completing maintenance on International Space Station.

Hanging Out in Space Deforms Brain Tissue, New Cosmonaut Study Suggests

While gray matter shrinks, cerebrospinal fluid increases. What's more: These changes do not completely resolve once back on Earth.

Meet Africa's Newest Crocodile Species

The African slender-snouted crocodile has been split into two species and both of them are critically endangered

Part of Bellinghausen Station

Russian Researcher Charged With Attempted Murder In Antarctica

Earlier this month a researcher stabbed another individual at Bellinghausen Station after suffering an "emotional breakdown"

A statue in Joachim Ronneberg's honor stands tall outside the city hall in Alesund

The Commando Who Foiled Hitler's Atomic Ambitions Has Died

Norwegian resistance fighter Joachim Ronneberg led the raid that destroyed stock of "heavy water" Hitler needed to produce weapons-grade plutonium

Oldest Intact Shipwreck Discovered in the Black Sea

The Greek merchant vessel similar to those found on ancient pottery was carbon dated to 400 B.C.

Mars imaged by the Hubble Space Telescope during a close approach to Earth.

Salty Water Under the Surface of Mars Could Have Enough Oxygen for Life

New models suggest subsurface water could absorb enough oxygen to support microbial communities and even things like sponges

The Valley of the Fallen

Spain's Push to Remove Franco's Remains From the Valley of the Fallen

Congress approved the government decree to move the fascist dictator from his spot in the civil war mausoleum, but obstacles remain

Europe's First Dogs Disappeared After Neolithic Farmers Arrived With Their Own Pups

Genetic analysis shows ancient canines from the Near East slowly replaced indigenous dog populations of that period

A Norwegian Lebensborn home.

Norway Apologizes for Persecuting WWII "German Girls"

Women who consorted with Nazi soldiers were attacked, shunned and deported after the war

This Little Fish Was Nomming on Flesh 150 Million Years Ago

The Jurassic-era species found in southern Germany had jaws and teeth like a piranha and likely nipped off the fins of other fish

A Fond Farewell to the Original Big Bird

For five decades, puppeteer Carroll Spinney pioneered the roles of Big Bird and Oscar the Grouch on "Sesame Street." Now, he says, it's time to step down

Plastic on a beach in St. Helena.

Remote South Atlantic Islands Are Flooded With Plastic

In less than ten years, plastic pollution around St. Helena, East Falkland and Ascension Islands has increased tenfold, and 100 times in the last 30 years

A Case of Mistaken Sea Monster Identity

Re-analysis of Kansas fossils show they come from a newborn Tylosaurus, which were born without their tell-tale toothy snouts

To Mourn Beloved, 17-Year-Old Cat, Artist Made Genre-Spanning, Star-Studded Tribute Album

Pharrell, Bono, Laurie Anderson, Michael Stipe, The National and others penned songs for Souris, artist Sophie Calle's animal companion

Male Gorillas That Babysit End Up With Larger Brood of Their Own

Male gorillas that participated in child-rearing were also more successful breeders

Radar data pinpoints the remains of the Viking ship

Rare Viking Ship Burial Found in Norway

Ground-penetrating radar detected the remains of a 66-foot long boat along with the traces other burial mounds and five longhouses

Rice terraces in Yunnan, China.

136,000 Varieties of Rice Are Now Protected in Perpetuity

An annual $1.4 million funding grant will allow the International Rice Research Institute to help develop drought, heat- and flood-resistant rice varieties

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