24 July 2014, 05:56 PM ET
The sky is thick with smoke in central Washington, as the state's largest wildfire in recorded history leaves a charred trail of burned homes and blackened trees.
24 July 2014, 05:42 PM ET
The birds of the American Southwest are as numerous and diverse as the multiple environments and landscapes upon which they carry on their daily life cycles.
24 July 2014, 05:36 PM ET
Four astronauts are currently living in a school-bus-size habitat that is anchored 62 feet (19 meters) underwater for a nine-day mission to test tech for future space expeditions.
24 July 2014, 05:16 PM ET
On a September day in 1974, Capt. Harold "Buck" Adams set the world speed record in the U.S. military's SR-71 Blackbird aircraft. At the controls of the twin-engine supersonic plane, Adams flew from London to Los Angeles in a blistering 3 hours, 47 minute
24 July 2014, 05:13 PM ET
The Southwest's underground water supplies are shrinking faster than they're being replenished.
24 July 2014, 05:07 PM ET
Testosterone is a male sex hormone that is important for sexual and reproductive development.
24 July 2014, 04:47 PM ET
A new virus that lives in the gut has just been discovered, and to the surprise of scientists, can be found in about half the world's population, according to a new study.
24 July 2014, 04:44 PM ET
Eerie radio signals called whistlers have been detected from volcanic lightning for the first time.
24 July 2014, 04:29 PM ET
Sudden infant death syndrome (SIDS), sometimes called crib death, is the sudden and unexpected death of a child under 1 year old that cannot be explained by other causes.
24 July 2014, 04:00 PM ET
A forensic archaeologist unexpectedly found the oldest medical description of a near-death experience in a book from 18th century.
24 July 2014, 03:14 PM ET
Macaws, Amazon parrots, cockatiels, parakeets, and cockatoos are the most popular pet parrots.
24 July 2014, 03:13 PM ET
Lying to friends and family members may seem like a quick way to lose their trust, but new research suggests this may not always be the case. Lying for the "right" reasons can actually strengthen some social bonds.
24 July 2014, 02:11 PM ET
Steven Spielberg's 'Jurassic Park' might need a little more revising — a newly discovered dinosaur species offers hints that feathers were much more common among the ancient beasts than once thought.
24 July 2014, 02:01 PM ET
More than a decade has passed since the completion of the Human Genome Project, the international collaboration to map all of the "letters" in our DNA. Yet, it's still unclear what percentage of the human genome is actually doing something important.
24 July 2014, 02:00 PM ET
A newfound plant-eating dinosaur that was equipped with feathers suggest most dinosaurs may have worn such downy coats.
24 July 2014, 01:41 PM ET
Monkeys living in the forests around the city of Fukushima in Japan show lower blood cell counts than monkeys from northern Japan, and have detectable levels of cesium in their bodies, a new study reports.
24 July 2014, 01:34 PM ET
Huge swaths of land, including homes and forests, were lost to raging fires in July 2014. Sy Stepanov of Chelan HD sent out his drones for a birds eye view of the destruction. Help fire victims here.
24 July 2014, 01:29 PM ET
The low-flying lens of Chelan HD’s drone catches a group of deer walking through the ash of their former forest home. Destroyed human-homes and a local relief effort are seen as well. Help fire victims here.
24 July 2014, 01:00 PM ET
Even though the human papillomavirus (HPV) vaccine can protect against HPV infections as well as cancers later in life, the number of teenage girls and boys in the United States who have received the vaccine remains "unacceptably low," the CDC says.
24 July 2014, 12:59 PM ET
A Paleolithic child who died 100,000 years ago likely suffered brain damage, but lived several years after his or her injury.
24 July 2014, 12:58 PM ET
According to the National Climate Assessment’s Mitigation humans need to quickly ween off fossil fuels in favor of alternative energy sources to reduce what could be a 10°F average temperature increase by 2100.
24 July 2014, 12:02 PM ET
A new Gallup poll found that beer is the most popular alcohol in the United States, though more women still prefer a glass of wine over a pint.
24 July 2014, 10:38 AM ET
A rusty, barnacle-covered anchor that may be the lost anchor from an 18th century voyage around the world was pulled from the Puget Sound last month. Now, the sunken treasure will undergo a long cleaning.
24 July 2014, 10:22 AM ET
Sleep deprivation could raise the risk of developing false memories, a new study finds.
24 July 2014, 08:29 AM ET
Kids who spend time cuddling up with Fido or Fluffy are more likely to turn their noses up at meat later in life, a new study suggests. The reason may be such kids develop empathy toward all animals.
24 July 2014, 08:12 AM ET
The 3,300-year-old carving once held the face of the god Amun, but pharaoh Akhenaten, who may have been King Tut's dad, had it and the associated hieroglyphs hacked out during a religious revolution.
24 July 2014, 08:05 AM ET
An ancient Egyptian carving found in the tomb at the site of Sedeinga in modern-day Sudan shows the scars of a religious revolution and may have been gouged by Akhenaten, the possible father of King Tut.
24 July 2014, 12:19 AM ET
What scares a zookeeper may not be what you expect.
23 July 2014, 10:00 PM ET
Self-cooling, longer lasting and more efficient solar cells are within reach simply by adding a thin layer of glass.
23 July 2014, 09:16 PM ET
Green energy doesn't need to wait for next-gen battery storage.
23 July 2014, 07:58 PM ET
Liquid is a state of matter between solid and gas. Molecule are farther apart from one another, giving them space to flow and take on the shape of their container.
23 July 2014, 06:30 PM ET
Acetaminophen, the drug found in Tylenol, works no better than a placebo at reducing pain in people with sudden lower-back pain, nor did it help these patients get better faster, a new study finds.