The high levels may help the seals survive their long, deep dives
The detection of a runaway star may explain how a massive object turned into a dense, magnetic magnetar instead of collapsing into a black hole
The algae, once thought to be an introduced species, can form thick mats that alter ecosystems...
The plague preferentially killed the very old and those already in poor health. Natural selection or better diets may have allowed those who remained to thrive...
Computer models suggest that plant-eating dinosaurs called therizinosaurs used their claws for digging, grasping or piercing plants
Bite marks on fossils coupled with an analysis of skull strength suggests that crocodilians were capable of using "death rolls" to dismember prey...
The ship had been carrying gold to New York City when it sank in 1857
The long-term consequences of such epigenetic effects in children remain unknown, but the goal is to define the optimal diet for mothers-to-be
In the abraded heart of South Africa's Vredefort impact crater lie striking green-black "impact" melt rocks that were thought to have been lost to time
A scientist who made a stunning time-lapse video of a growing quail embryo took home top honors in Nikon's 2013 Small World in Motion Competition, a contest that treats photomicrographs—pictures often used by scientists—as objects of art...
A contract from A.D. 267, the first of its kind ever found, details an agreement between the backers of two teen wrestlers in the finals of an important regional competition
Analysis of a 325 million-year-old fossil suggests that modern sharks have evolved extensively, rather than remaining unchanged since prehistoric times
The arsenic was within the mummy's hair, showing that Chileans dating back to 1,000 to 1,500 years ago likely drank arsenic-contaminated water
Working esophagi from stem cells could be used to aid cancer patients in the future
Pollution from China's coal-burning power plants has increased the strength of storms in the Pacific Northwest by 10 percent over the last three decades
Testing of a scrap of papyrus, which bears words suggesting that Jesus had a wife, points to the document's authenticity
The organs, grown from the patients' own cells, are showing normal functions for the four young women
High-speed video reveals why flies are so hard to swat
A spider-like arachnid fossil helps explain the evolutionary path of modern harvestmen, often called 'daddy longlegs'
An isotopes analysis was used to determine that many pieces of turquoise found in New Mexico's Chaco Canyon came from as far away as Nevada