Articles By Roxanne Palmer
This year, Greenland's vast ice sheet is melting earlier and over a wider range than usual. That's just one sign that this year is shaping up to be a real scorcher.
A lack of B vitamins could hamper the growth of essential microorganisms, scientists say.
Russell's viper is the scourge of Southeast Asia, responsible for more bites in that region than any other kind of snake. A somewhat unsettling video illustrates how the viper's venom solidifies the blood of its victims.
American Indians have a much higher risk for diabetes than Caucasians -- and a new study suggests their ancestors' diet may be one of the reasons they're more susceptible to the disease.
Previous studies have pegged polar bear origin at around 600,000 years ago, but they've actually existed as a distinct species as early as 5 million years ago, according to a new paper.
American astronaut Sally Ride passed away "peacefully" after a long battle with pancreatic cancer, according to a statement from the company she founded.
Flocking together for self-protection isn't an altruistic move for sheep -- they're just playing the odds, researchers say.
Flies that were normally invisible to bats had a higher risk of death thanks to noisy, predator-attracting lovemaking.
During the past few decades, scientific breakthroughs have increasingly come from older scientists. But younger people still make astounding discoveries, and some institutions, including science fairs and the U.S. government, aim to encourage budding researchers to keep at it.
Nerve cell networks in the lab are still being refined, but could eventually be an efficient way to test drugs and better understand our brains.