
Fossils Reveal Evidence of Mass Whale Die-offs
The whales and other marine mammals might have been killed millions of years ago by toxic algal blooms

Fossils Reveal Evidence of Mass Whale Die-offs
The whales and other marine mammals might have been killed millions of years ago by toxic algal blooms

Computer Models Help Unravel Mystery of Puebloans’ Disappearance
Remember playing "The Oregon Trail" computer game in middle school? As a pioneer leading your family westward in a covered wagon, you hunted virtual deer, rabbits and bison--but not too many.


Reasons for Really Liking Wildebeest
There are lots of reasons for liking wildebeest… or gnus. For me, the main one comes from the fact that they are insanely flamboyant in appearance.

Stonehenge Rock Source Identified
The site, however, raises further questions about how the stones were transported from their source to what is now the monument

The New World Crocodile Assemblage: Crocodiles Part VII
A momentous thing is about to happen. Take a deep breath and prepare yourself. Today is the day when… I finish my series of articles on the crocodiles of the world.

The Hunt for Neandertal Genes [Excerpt]
Biologist Svante Pääbo describes the thrilling discovery of DNA from the bones of an ancient Neandertal in this excerpt from his new book

Ancient Genome Suggests Native Americans Really Did Descend from the First Americans
The new analysis of "Clovis boy" DNA also stirs an ethics debate about the handling of tribal remains

Construction crews uncover tusk of Ice Age mammoth in Seattle

Patriarchs Beat Their Camels (in Time)
A convergence of dating analysis for camel bones in Israel finds that the animals arrived in the area long after biblical descriptions of them are thought to have taken place. Cynthia Graber reports

"Mother Lode" of Fossils Discovered in Canada
The well-preserved nature of the fossils gives scientist a snapshot of life more than 500 million years ago

Worst Mass Extinction Ever Took Only 60,000 Years
More than 90 percent of all life on Earth died off in a geologic blink during the Permian mass extinction, and scientists suspect multiple environmental factors were at play

Mystery Trove of British Skulls May Have Belonged to Roman Gladiators
The 40 skulls, first uncovered in 1988, show evidence of violent lives