Could This Work Be Leonardo da Vinci's Only Known Sculpture?

An art scholar argues "Virgin with the Laughing Child" held in a U.K. museum bears the hallmark smile and other techniques of the polymath's other works

Month-Long Oil Spill in the Solomon Islands Threatens World's Largest Coral Reef Atoll

Australia has stepped in to help contain the 600 tons of heavy fuel oil leaking from the transport that ran aground on Rennell Island early last month

Alcatraz's recreation yard, where the structures were discovered.

Radar Scans Reveal Traces of 19th-Century Fort Beneath Alcatraz

Before Capone took up residence, the island was home to military installation that guarded San Francisco Bay

Beer Yeast Is a True International Collaboration

A new study looking at the genomics of brewer's yeast indicates it's a combination of European grape wine and Asian rice wine strains

The positions of the globular clusters used to estimate the mass of the Milky Way.

How Much Does the Milky Way Weigh?

Measurements from the Gaia satellite and Hubble Space Telescope show our galaxy tips the scales at about 1.5 trillion solar masses

Italy May Need to Import Olive Oil After Extreme Weather Decimates Local Crops

This year's harvest is down 57 percent, and may force the nation to import its treasured olive oil from other parts of the Mediterranean

"Monna Vanna," ca 1515. Found in the collection of the Condé Museum, Chantilly.

Experts Think This 'Nude Mona Lisa' Could Have Been Drawn by Leonardo da Vinci

Previously attributed to his students, close examination of the charcoal drawing shows a left-handed artist created most of the artwork

The City of Chicago Is Sinking. Here's Why

Ice sheets that receded 10,000 years ago are responsible for the Windy City dropping at least four inches over the last century

Cave Full of Untouched Maya Artifacts Found at Chichén Itzá

The intact offerings will allow researchers to understand changes over time at the site

First responders walk through a neighborhood in Beauregard, Alabama.

Deadliest Tornado Outbreak in Six Years Hits the Southeast

So far, 23 people are confirmed dead in Lee County, Alabama, after Sunday's tornadoes

Site Where Julius Caesar Was Stabbed Will Finally Open to the Public

The curia in Pompey's Theater where Caesar died in the Largo di Torre Argentina is currently a fenced-off feral cat colony

The Lady K tow boat kicks up a wake full of green algae a few hundred feet from the city of Toledo's Water Intake on Lake Erie, for testing on Monday, August 4, 2014.

Toledo, Ohio, Just Granted Lake Erie the Same Legal Rights as People

A controversial referendum passed this week establishes a bill of rights for the Great Lake and grants it legal standing in suing polluters

When you snooze, you lose.

You Can't Make Up for Lost Sleep by Snoozing on the Weekends

A new study suggests that sleeping late on Saturday and Sunday may disrupt metabolic and circadian functions for the chronically sleep deprived

Houston's Rothko Chapel Casts a New Light

When the meditative space reopens, a new skylight will filter the right amount of light on the 14 canvasses installed in the artist's octagonal masterpiece

Using Landmine Detectors, Meteorite Hunt Turns Up 36 Space Rocks in Antarctica

The scientists had a hunch that more meteorites were hidden a foot below the ice—they were right

Lake Sediment and Ancient Poop Track Environmental Changes at Cahokia

The research reveals the largest pre-Hispanic settlement north of the Mexican border experienced flood and drought near its end

Belarus' servicemen excavate a mass grave for the prisoners of a Jewish ghetto set up by the Nazis during World War II in the city of Brest.

Nazi-Era Mass Grave Found in Former Jewish Ghetto in Belarus

So far, authorities have recovered 730 sets of remains, though there may be many more

Chubby Rat Stuck in Manhole Cover Rescued by Fearless Firefighters

It took eight volunteer firefighters to pop the overweight rodent out of a vent in the sewer cover

Could Climate Change Make These Clouds Go Extinct?

New modeling shows that 1,200 ppm of CO2 disrupts stratocumulus cloud formation, which could lead to 14 degrees Fahrenheit of warming

The bluestone quarry at Carn Goedog.

Secrets of Stonehenge Found in Quarries 180 Miles Away

Archaeologists believe the builders popped out "ready-made" bluestones at a quarry in Wales and dragged them overland to Salisbury

Page 19 of 95