The eerie hue was caused by the collision of two occurrences: fires in southern Europe and winds from Hurricane Ophelia.

The 11 mushrooms and other fungi here are a far cry from the typical white-or-brown palette of criminis and portobellos.

Peatlands have the power to release huge amounts of carbon and greenhouse gases, but these mucky wetlands also help control floods and forest fires.

A spectacular scene unfolds every year in Chiang Mai, Thailand, when thousands of candle-lit paper lanterns are released into the sky and Ping River.

The winners of Nikon's 43rd annual Small World Photomicrography Competition will make you wish you paid more attention in science class.

The 2017 Comedy Wildlife Photography Awards winners have been announced, and this year's crop doesn't disappoint in the humor department.

Cocoa trees are under attack, and demand is skyrocketing worldwide. What this means for chocoholics now and in the future.

Despite years of warning, a new report says many infants in the U.S. still sleep with soft bedding, whether in a crib or their parents' bed.

A new generic option will soon offer relief for families who shell out hundreds of dollars for these epinephrine-filled devices.

Probiotics, whether in supplement or food form, are a booming industry, but the science behind the health benefit claims is still catching up.

New research shows that viral infections can evolve to affect men worse than women because the viruses consider women to be more valuable hosts.

Only 2 percent of the population has this uniquely useful ability.

If you're trying to lose weight, the time of day when you eat matters just as much as how many calories you eat, new research suggests.

Americans are experiencing one of the worst allergy seasons in years. Here are the 12 worst cities out of 100 ranked by the United States for allergy sufferers.

Crown shyness is a phenomenon where tree canopies don't touch, creating stark outlines between the treetops. Here are some theories about why it happens.

The International Dark-Sky Association bestows the honor on national parks and monuments that limit light pollution to preserve the night sky.

A new study finds Hawaii is home to "super corals" that were nearly destroyed 30 years ago but have rebounded despite warmer, more acidic water.

Sabrina Gonzalez Pasterski, who built and flew her own plane at 14, just earned a Ph.D. from Harvard and she's proof of the growing power of the STEM push.

The science behind why some cats hate belly rubs, plus what it means when a cat rolls over and shows you its belly.

The Azores archipelago off the coast of Portugal is home to some of the most gorgeous — and most plentiful — hydrangeas in the world.

From Saturn shining all month to Neptune at its brightest point all year, Mother Nature is bringing her own celestial fireworks to the party in the July sky.

Sweden has a floating library — the bokbåten — that brings thousands of books to people on dozens of remote islands in the Stockholm archipelago twice a year.

Screaming is primal. Whether it’s pain, horror or a baby's cry, a scream demands attention. Why do we scream, and why does the sound of one make us react?

Sand dollars are echinoids that live on the ocean floor. You may enjoy collecting their shells, but how much do you really know about these quiet creatures?

Gray hair may indicate more than our biological age: It could signal one of these health issues, including heart disease or vitamin deficiency.

The series, which is celebrating its 50th anniversary this month, has the highest number of adult-child coviewing experiences of any children’s show.

'To Be of Service' film shows how service dogs help veterans return to the world.

How you train your dog can affect his happiness and stress levels long-term, study finds.

Study is recruiting 10,000 canine citizen scientists for national dog aging project.

Quilty the rescue cat will not be contained at the shelter.

So many animals don't have homes. Can you open up your home to one homeless animal, just for the holidays?

Researchers have a new way of figuring out your dog's age in people years, and it doesn't involve multiplying by 7.

Belinda Richards captures pet personalities and turns them into art.

Video from Dhaka, Bangladesh shows a young man climbing out to rescue a kitty stuck in a window.

The U.S. Consumer Product Safety Commission shows why fire safety is important for the holiday season.

Narwhal, the healthy and happy unicorn puppy, has a tail growing out of his forehead.

Fans at a Hershey Bears hockey game threw stuffed animals on the ice so they could be donated to charities.

Study finds that dogs can recognize the difference between words and voices.

Kindergarten class in Michigan joins their 5-year-old classmate in court for his official adoption.

The holiday isn't complete until you've seen The Old Man open his frageelay leg lamp. We double dog dare ya to resist these famed A Christmas Story quotes.

Some animal advocates say don't give pets as gifts, but research shows it's not always a bad idea.

Max and Neo sends donation boxes to thousands of rescue groups every year.

A UPS driver thought he saw something in the snow. Turns out it was a tiny, white puppy that had been abandoned.

Boy asks his friends to celebrate his birthday by volunteering at an animal shelter.

You might hibernate when it snows, but your dog loves playing in a winter wonderland.

Race through that pile of holiday gifts with this speedy wrapping method.

John and Charlotte Henderson are celebrating their 80th wedding anniversary this month at a nursing home in Texas.

A woman taught her dogs how to sing 'Happy Birthday' so they could help serenade her mother on her big day.

A cat rescued in North Carolina went viral because of her resemblance to Baby Yoda from 'The Mandalorian,' but there has been a strange turn of events.

Paying attention to a cat's tail language can give you insight into its mood and clue you in to what kind of behavior to expect.