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14 August 2015, 07:08 PM ET
Are vitamin E supplements risky? For most of us, the answer may be yes.
14 August 2015, 06:53 PM ET
The moon posed no obstacle as the Perseid meteor shower peaked last night, giving skywatchers the best views of shooting stars in years — even in areas that normally have too much light to see a thing. And the show will be back on tonight, although there
14 August 2015, 06:09 PM ET
Astronomers have detected the smallest alien planet yet to be directly photographed by a telescope on Earth, a methane-shrouded gas giant much like a young Jupiter. The planet 51 Eridani b orbits a star 96 light-years from Earth and resembles a young Jupi
14 August 2015, 05:53 PM ET
Twenty-six is old … if you're a cat.
14 August 2015, 04:03 PM ET
A woman in Oklahoma who contracted Rocky Mountain spotted fever from a tick bite recently needed to have all four of her limbs amputated as a result of her infection. But exactly how does this disease cause such a severe complication?
14 August 2015, 03:30 PM ET
Scientists recently teamed up to help solve a World War II-era mystery.
14 August 2015, 02:53 PM ET
After two giant explosions in Tianjin, a black plume of smoke snaked over China's Bohai Sea.
14 August 2015, 02:16 PM ET
Cybercrime knows no borders — neither should the effort to fight it.
14 August 2015, 01:56 PM ET
People perceive the color yellow differently in summer versus winter, perhaps because the difference in foliage requires a different color balance in the eye.
14 August 2015, 10:49 AM ET
A lake straddling the California-Oregon border looks like an empty swimming pool in new photos taken from space.
14 August 2015, 09:41 AM ET
A 1570 earthquake in Italy shifted the Po River's right bank upward by several inches, forcing the river to change course.
14 August 2015, 08:47 AM ET
The dead bodies of plankton cover a surprising amount of the ocean floor, according to the first digital map of global seafloor composition.
14 August 2015, 07:29 AM ET
A real-estate agent and storm chaser captured a snapshot of a lifetime on Aug. 9, when he photographed a rare duo — an eerie flash of lightning framed by a glorious rainbow — in Tucson, Arizona. Here's how the two phenomena happened.
14 August 2015, 07:25 AM ET
Your gender might affect how you experience a broken heart.
14 August 2015, 01:02 AM ET
This year's El Niño looks to rank among the strongest on record, with potential U.S. weather impacts.
14 August 2015, 12:31 AM ET
Coral reefs are key to wildlife, and human, survival — and they may yet be saved.
13 August 2015, 06:11 PM ET
Former President Jimmy Carter has not revealed much about his recent cancer diagnosis, but an important part of caring for anyone with cancer is finding out where the disease started.
13 August 2015, 04:51 PM ET
It's white. It's weird. It looks like a bowl of noodles turned upside down underwater. What is it?
13 August 2015, 04:23 PM ET
Smartphone apps and wearable devices have the potential to help Americans improve their heart health. But right now, there's not enough evidence to evaluate whether all this technology actually helps people get healthier.
13 August 2015, 04:10 PM ET
Aquarium enthusiasts and people who work in aquarium stores should be aware that some types of coral produce dangerous toxins.
13 August 2015, 03:40 PM ET
During a high-resolution mapping of the seafloor surrounding Sicily, researchers discovered an ancient treasure: a stone monolith spanning 39 feet (12 meters), resting on the bottom of the Mediterranean.
13 August 2015, 03:40 PM ET
During a high-resolution mapping of the Mediterranean seafloor, researchers discovered an enormous stone monolith resting in the Sicilian Channel.
13 August 2015, 03:29 PM ET
It may seem unusual to pay for something as, well, natural as nature, but a new economic model suggests just that, and it seems to be working, argues Jane Carter Ingram.
13 August 2015, 12:40 PM ET
Following a low-fat diet may help dieters lose more body fat than following a low-carb diet, according to a new study.
13 August 2015, 12:05 PM ET
Bears apparently seem to find UFOs unbearable — airborne robots and other unidentified flying objects can make bear hearts beat four times faster, researchers say.
13 August 2015, 12:00 PM ET
Ants may be experts at sniffing out body odor, according to a new study that reveals these insects have a "high-definition ability" to detect tiny chemical changes in the pheromones other ants give off.
13 August 2015, 12:00 PM ET
The "exercise hormone" irisin has generated controversy among scientists — some have called the hormone a myth, but a new study says it proves irisin exists.
13 August 2015, 11:49 AM ET
Forr the first time, scientists have sequenced the genome of the eight-legged rock star, revealing how its complex noggin evolved.
13 August 2015, 11:26 AM ET
People who receive organ transplants may have an increased risk of developing the deadly skin cancer melanoma, according to a new study.
13 August 2015, 07:31 AM ET
To keep a robot from toppling over, researchers built a futuristic exoskeleton that gives bots humanlike reflexes.
13 August 2015, 07:27 AM ET
About 142 million years ago, two carnivorous dinosaurs wandered along a beach and left their large footprints behind in the sand, a new study finds.
13 August 2015, 07:27 AM ET
Some mental health problems require a therapist. Other times, we just need a mental readjustment. Here are 9 ways you can improve your mental health right now.