20 August 2015, 05:04 PM ET
Ancient marks on 3.4-million-year-old animal bones were not caused by trampling — a finding that raises the odds that they were made by deliberate cutting by human ancestors.
20 August 2015, 04:44 PM ET
Addyi, the new libido-enhancing pill for women, was approved by the FDA, but many health care professionals are still skeptical about whether women really need the drug.
20 August 2015, 02:47 PM ET
Most U.S. contact wearers engage in bad hygiene habits with their lenses that could increase the risk of eye infection, according to a new report.
20 August 2015, 01:28 PM ET
Something mysterious is happening on the surface of Pluto: No matter how much nitrogen the atmosphere releases into space, it's still chock-full of the stuff. New work examines the possible culprits for the stealthy nitrogen resupply.
20 August 2015, 01:21 PM ET
For the last few months, rumors have circulated that a big asteroid will slam into Earth near Puerto Rico between Sept. 15 and Sept. 28, wreaking widespread destruction. Don't believe the hype.
20 August 2015, 01:18 PM ET
The Atlantic just got its first hurricane of the season. According to the latest update from National Hurricane Center, Danny passed the hurricane test with wind speeds in excess of 75 mph and a developed eye.
20 August 2015, 12:45 PM ET
Graffiti in an ancient cave in China reveals a history of droughts in the region, and may portend climate troubles, new research suggests.
20 August 2015, 12:14 PM ET
Physicists have created a so-called magnetic wormhole that transports a magnetic field from one point to the other without being detected.
20 August 2015, 12:09 PM ET
After nearly 10 years without a case of plague, California has seen two cases already this summer. What's behind the return of plague to the state?
20 August 2015, 11:46 AM ET
A frozen observatory has spotted ghostly, nearly massless particles coming from inside our galaxy and points beyond the Milky Way. Finding these cosmic neutrinos also sheds light on the origins of cosmic rays, the researchers said.
20 August 2015, 11:37 AM ET
Controversial and more specific science pages on Wikipedia may contain less trustworthy, overly technical or limited information, research suggests.
20 August 2015, 10:31 AM ET
Photos reveal the huge laboratory under Antarctica's ice where detectors scan the heavens for ghostly particles called neutrinos.
20 August 2015, 10:11 AM ET
A rare bloom from a huge tropical plant has crowds in Denver waiting in line for hours.
20 August 2015, 10:02 AM ET
A towering corpse flower, or titan arum, is blooming in Denver. The teenage plant is a novice, as this is its first time opening up a flower bud, and generating the stinky rotting-flesh smell that attracts not only flies but also humans with cameras.
20 August 2015, 09:13 AM ET
Years of unrelenting drought are straining a large reservoir of water between Nevada and Arizona, new satellite images reveal.
20 August 2015, 07:41 AM ET
People who have fewer moles may be at higher risk for aggressive skin cancer than those with more moles, according to a new study.
20 August 2015, 05:31 AM ET
A marine scientist is dwarfed by what is being called the biggest shark ever caught on camera in a recent video taken near Mexico's Guadalupe Island. How did this 20-foot-long (6 meters) great white Internet sensation become such a behemoth?
20 August 2015, 02:28 AM ET
Vitamin B6 is important to maintaining a healthy body and developing a healthy brain.
19 August 2015, 07:05 PM ET
The "smart drug" modafinil improves performance on long and complex tasks, and also enhances decision-making and planning skills in certain people, a new study finds.
19 August 2015, 05:54 PM ET
Finally, there's a crowdfunding campaign for people who want to watch giant robots fight to the death.
19 August 2015, 05:46 PM ET
Megabots, Inc., a Boston-based company, is building a huge, human-operated "battle bot" for an upcoming robot duel.
19 August 2015, 05:08 PM ET
Although genetically modified organisms (GMOs) themselves don't appear to have ill effects on human health, some researchers argue that the herbicides used on these crops are an overlooked health threat.
19 August 2015, 02:00 PM ET
Vomiting creates a fine spray of airborne virus particles, a vomit device proves.
19 August 2015, 12:35 PM ET
The first-ever bloom of a stinky "corpse flower" in the Rocky Mountain region is happening here today (Aug. 19).
19 August 2015, 12:08 PM ET
Researchers at North Carolina State University have developed a "vomiting device" to study the transmission of norovirus -- the dreaded stomach bug that causes diarrhea, nausea, vomiting and stomach pain.
19 August 2015, 11:46 AM ET
A giant "corpse flower" is blooming at the Denver Botanic Gardens, in Colorado.
19 August 2015, 09:30 AM ET
Dogs may play catch, obey commands and even share the occasional dessert with their owners, but can they understand simple interactions between people?
19 August 2015, 07:37 AM ET
The slender hummingbird tongue has been misunderstood for more than 180 years, a new study finds.
19 August 2015, 07:36 AM ET
The exact way hummingbird tongues work has long eluded scientists — until now.
19 August 2015, 07:31 AM ET
An outbreak of a rare and fatal brain disease tied to human growth hormone treatments in the 1950s through the 1980s continues even today, decades after the hormone treatments were stopped.
19 August 2015, 07:27 AM ET
Marijuana is burning in California, but nobody feels buzzed about it.
18 August 2015, 07:32 PM ET
Vitamin K is known as the “blood-clotting vitamin” for its important role in healing wounds.