21 October 2014, 07:03 PM ET
Properties, sources and uses of the element krypton.
21 October 2014, 05:49 PM ET
Nurse Nina Pham, who contracted Ebola at a Dallas hospital while caring for Thomas Eric Duncan, is now in "good" condition, according to a statement from the National Institutes of Health.
21 October 2014, 04:11 PM ET
The rate of Ebola cases in a part of Liberia where one rubber tree plantation operates is far lower than in other parts of the country.
21 October 2014, 04:00 PM ET
Many dietary supplements that have been recalled can still be purchased years later, and they often contain the same banned ingredients that led to their recall in the first place, a new study finds.
21 October 2014, 03:52 PM ET
Spiders — whether you abhor them or adore them, you certainly can't ignore them. We asked our readers to send us their coolest arachnid photos, and they happily obliged.
21 October 2014, 03:40 PM ET
A piece of limestone commemorating the Roman emperor Hadrian has been discovered in Jerusalem. It's possible that the engraving will offer clues about life in Jerusalem at the time of its carving in 129-130.
21 October 2014, 03:36 PM ET
For the U.S. military, laser guns aren't sci-fi tech; they're a reality.
21 October 2014, 02:04 PM ET
A study conducted by the Nationwide Children's Hospital found that between 2002-2012 700,000 children under the age of 6 were given wrong doses of medication. The hospital offers tips on how to administer medicine to kids.
21 October 2014, 01:48 PM ET
A newly uncovered large slab of limestone with an official commemoration to the Roman Emperor Hadrian may help researchers understand the events that led to the Bar Kokhba revolt in the early second century, experts said.
21 October 2014, 12:57 PM ET
Nobody likes ingrown toenails, but clipping off the offending bit might only make it worse. Now, a look at the physics of nail growth reveals the best way to cut an ingrown nail.
21 October 2014, 12:02 PM ET
Green coffee bean extract, which Dr. Mehmet Oz promoted on his show as a "magic weight-loss cure," had one scientific study backing up the extract's purported effects. Now, that research has been retracted.
21 October 2014, 11:32 AM ET
The DNA from 13 ancient humans reveals the evolution of lighter skin and lactose tolerance. The skeletons were found in archaeological burial sites unearthed during highway construction in the Great Hungarian Plain in Central Europe.
21 October 2014, 10:51 AM ET
A tiny drone has captured stunning images of a killer whale pod, revealing which whales are pregnant and malnourished.
21 October 2014, 10:35 AM ET
A population of killer whales has been captured playing, chasing prey and socializing in gorgeous video taken by a tiny unmanned drone.
21 October 2014, 10:00 AM ET
University of Souther California researchers pinged 3.7 billion IP addresses over a 2 month period to create an animation of internet usage. The study was funded in part by the US Dept. Homeland Security and the USAF.
21 October 2014, 09:10 AM ET
A rare disorder in which people can't produce sweat may be caused by a mutation in a single gene, according to a new study.
21 October 2014, 07:42 AM ET
The Wellcome Library will digitize records from British asylums from the 18th, 19th and 20th centuries, including not only case reports but also the paintings and poetry of psychiatric patients.
21 October 2014, 07:42 AM ET
Several ancient Egyptian pharaohs, such as Ramesses the Great and King Tut, didn't have a painful inflammatory disorder called ankylosing spondylitis as scientists had thought. But they did have mild back disorder linked to old age.
21 October 2014, 07:40 AM ET
A powerful earthquake in Alaska sent towering waves up to 30 feet (9 meters) tall crashing down on Hawaii about 500 years ago, leaving behind fragments of coral, shells and coarse beach sand in a sinkhole located on the island of Kauai, research shows.
21 October 2014, 02:15 AM ET
Weather extremes, from intense rains in the western United States to flooding in the northeast, are directly tied to a warming climate.
20 October 2014, 07:33 PM ET
To better protect health care workers from Ebola, officials at the Centers for Disease Control and Prevention issued new guidelines about wearing personal protective equipment.
20 October 2014, 06:30 PM ET
If the Ebola screening currently taking place at airports in West Africa were to stop, about three people with the disease would travel by plane to a new country each month.
20 October 2014, 06:02 PM ET
The "odds are good" that 2014 will be the warmest year in the books, fueled by record ocean warmth.
20 October 2014, 05:57 PM ET
Getting a vaccination does not increase people's risk of developing multiple sclerosis, as some anti-vaccination groups have suggested, a new study finds.
20 October 2014, 04:20 PM ET
Go ahead and forget your wallet. Apple's new mobile payment app, Apple Pay, launched today (Oct. 20), and security experts say this high-tech way to pay seems like a safe alternative to swiping your credit or debit card.
20 October 2014, 04:15 PM ET
Scientists have new clues to what causes behaviors like pathological gambling, hypersexuality and compulsive shopping after a new study shows these behaviors may occur as the side effects of taking certain drugs, that affect dopamine in the brain.
20 October 2014, 02:54 PM ET
Now that 42 days have passed without any new cases of Ebola in Nigeria, the country is officially Ebola-free, the World Health Organization declared today.
20 October 2014, 02:38 PM ET
Spending long periods of time in space can be a psychologically demanding experience, but a new virtual reality system could give NASA astronauts a welcome escape.
20 October 2014, 02:15 PM ET
Tiny flying drones have captured unprecedented footage of killer whales off the coast of Canada.
20 October 2014, 09:36 AM ET
Don’t look directly at the Sun! Life’s Little Mysteries’ Natalie Wolchover shows how you can build a simple shoebox "pinhole camera" out of household materials for safe solar viewing. It’s the harmless way to view any solar eclipse.
20 October 2014, 09:29 AM ET
Warning: Do not look directly at the Sun. On October 23rd, 2014, most of the North America will be treated to the eclipse. Viewing from the eastern U.S. will be especially beautiful, weather permitting, due to it occurring at the end of the day.
20 October 2014, 08:23 AM ET
The temple, which was built before the invention of writing, held humanlike figurines, sacrificed animal remains and possible altars. It was part of a sprawling settlement in the Ukraine, archaeologists found using geomagnetic surveys.