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Dinosaur and Ancient Mammal Stomping Ground Found in NASA Parking Lot

The slab is covered in 70 foot prints and is one of the best collections of animal traces yet found

Truck tracks on the Nasca lines

Truck Driver Leaves Tire Tracks Over Peru's Ancient Nasca Lines

Three of the Unesco World Heritage site's enigmatic glyphs were harmed, but authorities believe they can repair the damage

Battle of Clontarf, Hugh Frazer, 1826

Social Network Analysis Weighs in on Debate Surrounding One of Ireland's Most Famous Battles

Researchers test it out on a medieval epic to investigate whether the Battle of Clontarf was fought against the Vikings or was part of an Irish civil war

The ochre "crayon"

One of the World's Oldest "Crayons" Colors in Details of the Mesolithic World

An interdisciplinary team of archaeologists and physicists came together to discover the purpose of the ancient bit of sharpened red ochre

Hong Kong Will Phase Out Ivory Trade by 2021

Conservationists hope the ban will help preserve the dwindling elephant populations

The "Saucy Jacky" postcard

Were the Jack the Ripper Letters Fabricated by Journalists?

Linguistic analysis indicates at least two of the most infamous letters were likely written by the same person—and that person was not the Ripper

Whale Talk Pretty One Day: Listen to an Orca Mimic Human Words

Though it's fun to hear an orca say "Hello" and "Amy," the new study could provide clues to how whale dialects change over time

Artificial Intelligence Takes a Crack at Decoding the Mysterious Voynich Manuscript

But medieval scholars are skeptical about this latest attempt to decipher the world's "most mysterious book"

Pi^1 Gruis

Astronomers Get Best Look Yet at the Surface of a Red Giant Star

The image shows convection cells on the star are huge, confirming some theories about star evolution

Pumalin Park

Chile Designates 10 Million Acres of Land as National Parks

Spurred by the donation of 1 million acres of privately owned land, the country is adding two national parks to its system

British Author Takes Fresh Look at the Black Dahlia Murder

Piu Eatwell's recent true crime book on the case suggests that one-time suspect Leslie Dillon was the killer of Elizabeth Short in the unsolved 1947 murder

The IMAGE satellite

Amateur Astronomer Finds Long-Lost NASA Satellite

The hobbyist was in search of the lost Zuma satellite when he spotted IMAGE, which went offline in 2005

Iron Age Tunic, radiocarbon-dated to c. AD 300. that was found in a glaciated mountain pass.

Norway's Melting Glaciers Release Over 2,000 Artifacts

Spanning 6,000 years, the well-preserved items hint at the history of mountain dwellers

Left: Baltimore and Potomac Railroad Terminal, 6th Street & Constitution Avenue, Washington, D.C. Opened in 1873, demolished in 1908.
Right: View of the Constitution Avenue entrance, north side, of the National Gallery of Art.

Why Doesn't Garfield Assassination Site on the National Mall Have a Marker?

A new campaign by historians seeks to bring recognition to the site where the 20th president was shot

Researchers Find a Chunk of North America Stuck to Australia

When an ancient supercontinent broke apart the Queensland peninsula may have gotten left behind

The epicenter of last night's earthquake in Alaska

Why Did Alaska's Big Quake Lead to a Tiny Tsunami?

Geophysics, plate tectonics and the vast ocean all determine how severe a tsunami may be

Simply Exhaling May Spread Flu

A new study suggests the virus is found in tiny airborne particles that can be released while breathing

The "pyramid" of Keros

Researchers Uncover Ancient Greek Island's Complex Plumbing System

Excavations show the settlement of Dhaskalio at the pilgrimage site Keros was a sophisticated urban center

Does the Moon's Phase Cause Earthquakes?

One researcher offers a succinct answer

Tut and Ankhesenamun

Archaeologists Could Be Close to Finding the Tomb of King Tut's Wife

After Tut's death, Ankhesenamun might have wed the Pharaoh Ay, and there's a possibility she's buried near him in the Valley of the Monkeys

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