23 July 2014, 02:10 PM ET
Man's best friend does not like anything muscling in on that friendship; — the first experimental test of jealousy in dogs shows that canines nip even at stuffed dogs when these fakes are taking away the attention of the animals' owners.
23 July 2014, 02:03 PM ET
The feeding grounds of blue whales along the U.S. West Coast overlap dangerously with shipping lanes, placing the behemoths in danger of collisions with ships. This finding could help prevent human threats to these endangered titans, scientists added.
23 July 2014, 02:00 PM ET
The skeleton of a child who lived 100,000 years ago shows signs of severe brain damage from a head trauma, new research suggests.
23 July 2014, 02:00 PM ET
Researchers have tagged more than 100 blue whales off the California Coast, finding the behemoths feed around major shipping lanes.
23 July 2014, 01:18 PM ET
5 Turkish siblings, with very rare Uner Tan Syndrome (UTS), walk in lateral quadrupedal motion. Apes and all other primates use a diagonal limb-fall pattern.
Credit: Shapiro LJ, Cole WG, Young JW, Raichlen DA, Robinson SR, et al.
23 July 2014, 01:01 PM ET
People aren't the only polluters — trees emit harmful compounds, too, as a recent map reveals. However, tree emissions would not be harmful were it not for the human emissions that react with these compounds, causing ozone pollution.
23 July 2014, 11:53 AM ET
New tyrannosaur trackways unearthed in Canada suggest that the ferocious predators may have been pack animals.
23 July 2014, 11:52 AM ET
NASA's first Landsat mission launched in July 1972. Seven more satellites have been launched since. Two of these, Landsat 7 & 8, are still active. The program acquired science imagery of natural disasters, urban change, water, ice, and farming.
23 July 2014, 10:59 AM ET
Scientists are looking into cat poop to explore whether a microscopic organism that lives in there could be modified and used as a cancer treatment.
23 July 2014, 10:55 AM ET
The seafaring empire of Tonga, an archipelago of about 160 Polynesian Islands in the South Pacific Ocean, once spanned more than a thousand miles, serving as the hub through which distant settlements exchanged artifacts and ideas, researchers say.
23 July 2014, 10:22 AM ET
Women taking higher doses of estrogen in their birth control pills may place more importance on other women's appearance, a new study finds.
23 July 2014, 09:44 AM ET
When learning a second language, effort helps adults learn vocabulary but hinders their ability to learn grammar, a new study finds.
23 July 2014, 09:20 AM ET
The bacteria that cause many cavities has been diversifying over the last several thousand years, according to a new study of DNA extracted from ancient, cavity-ridden teeth.
23 July 2014, 08:38 AM ET
Women undergoing in vitro fertilization (IVF) may be able to cut down on their trips to the doctor, thanks to a technology that allows them to perform vaginal ultrasounds at home.
23 July 2014, 06:16 AM ET
A team of "aquanauts" will answer questions live today (July 23) from an underwater lab located on the seafloor off the coast of the Florida Keys. The individuals are part of NASA's nine-day underwater NEEMO 18 mission.
23 July 2014, 03:51 AM ET
Most children and teens who are overweight think that they are actually the right weight, a new study from the Centers for Disease Control and Prevention finds.
23 July 2014, 01:00 AM ET
At the heart of the current debate around energy is the question of storage.
23 July 2014, 12:38 AM ET
The technology used in affective computing (AC) and human-computer interaction (HCI) – an allied discipline that studies links and relationships between man and machine and this technology has real applications.
23 July 2014, 12:29 AM ET
A lone tree, 16 shots, and a stunning view of the Milky Way.
23 July 2014, 12:19 AM ET
The VLT Survey Telescope at ESO's Paranal Observatory in Chile has captured this richly detailed space wallpaper of the Lagoon Nebula. This giant cloud of gas and dust is creating intensely bright young stars, and is home to young stellar clusters.
22 July 2014, 08:55 PM ET
Solid is a state of matter in which the molecules are packed closely together and usually arranged in a regular pattern. A solid object has a fixed shape and volume.
22 July 2014, 07:30 PM ET
A Turkish family affected by a rare genetic disorder does not represent "backward evolution," as one researcher claims. The family's gait is not reminiscent of primate ancestors, and is in fact, all human.
22 July 2014, 06:43 PM ET
New photographic evidence of the wreckage of Malaysia Airlines flight MH17 suggests that a Soviet-era supersonic missile most likely took down the Boeing 777 jetliner over Ukraine last week.
22 July 2014, 06:20 PM ET
Officials in China have sealed off the city of Yumen after one resident died from bubonic plague, reports say. But this action is puzzling to U.S. infectious disease experts, who say the response seems extreme.
22 July 2014, 06:07 PM ET
Living creatures aren't the only things capable of evolution. Airplane designs are evolving, too, a new study suggests.
22 July 2014, 05:43 PM ET
Elephants are known for their impressively long trunks, but perhaps less well known is the large number of genes that code for their sense smell. In a study of 13 mammals, African elephants were found to be superior sniffers.
22 July 2014, 05:00 PM ET
African elephants bested rats, a former olfactory record-holder, among selected placental mammals.
22 July 2014, 04:22 PM ET
There may be something to the cliché of lovebirds gazing into each other's eyes, new research suggests. A glance at a person's face tends to indicate romantic love, whereas looking at a person's body is associated with feelings of sexual desire.
22 July 2014, 04:17 PM ET
The pulse rate measures the rate at which blood pressure increases throughout the body. There are several places on the body where you can find your pulse.
22 July 2014, 03:58 PM ET
Humans will subconsciously mimic the facial expressions of android robots, a new study finds.
22 July 2014, 03:14 PM ET
Created by lightning, ‘whistlers’ travel along Earth's magnetic field lines from hemisphere to hemisphere. Jupiter’s charged particles ‘sing’ across its magnetosphere (recorded by Voyager).
-- 'Whistling' Volcanic Lightning: http://goo.gl/kKhlEk
22 July 2014, 02:39 PM ET
Electronics that dissolve on the battlefield and tiny, hummingbird-size drones that perform aerial reconnaissance are just a few of the sophisticated technologies the U.S. military is developing these days.