Croatian researchers have developed new indicators that can be used to analyse photochemical pollution and smog caused by ozone. The indicators are based on simple mathematical formulae and could make it easier for those who monitor pollution levels to make meaningful comparisons between different sites.

Nobel Prize-winning scientist Tim Hunt talked about his 'trouble with girls' this week, and women in the scientific community responded perfectly.

These adorable pictures are sure to warm even the coldest heart.

Photographing the historic Venus transit of the sun is special enough on its own, but one space photographer managed to get NASA's Hubble Space Telescope in the

Louisiana Gov. Jindal puts up Flickr album of gruesome oil creeping into Louisiana wetlands.

More than 100 world leaders and tens of thousands of protesters will descend on Rio de Janeiro next week for the Rio+20 summit in hopes of overcoming years of d

As world leaders fly into Rio de Janeiro for Rio+20, thousands of people from indigenous tribes, environmental groups, unions and religious organizations gather

Sue Flood's new book on emperor penguins, 'Emperor: The Perfect Penguin,' is the culmination of 9 years of work.

Astrophotographer Andrew McCarthy spent hours creating this breathtakingly detailed composite image of our moon.

This year's open category winners of the Sony World Photography competition range from a Chinese shadow puppet show to a mesmerizing underwater dance.

Michigan woman has a 'photo booth' to get a glimpse of the personalities of birds that visit her yard.

Photo of hungry sharks wins Underwater Photographer of the Year contest, which also selected winners in more than a dozen categories.

Photographer Oliver Hellowell believes anyone can accomplish their dreams — even if they have Down syndrome.

Photographer Will Burrard-Lucas's new book 'Land of Giants' chronicles some of the last days of this towering gentle giant.

Photographers capture landscapes, portraits, wildlife and more for Sony World Photography Awards.

The winners in this international dog photo contest range from a blind, senior dog to cute, matching puppies.

Science Photographer of the Year contest highlights how photos can open a window to science.

For 55 years, photographers have showcased their work in the Natural History Museum, London's Wildlife Photographer of the Year competition.

Photographer Frank Liu captured photographs of a polka-dotted zebra in Kenya that ended up published in National Geographic.

Wildlife photographer Michel Rawicki captures polar bears in their private moments.

Alaska's Izembek National Wildlife Refuge is silent and still as fog creeps towards Mount Dutton.

Photographer Emma Phillips describes the series as "a poetic exploration of and tribute to Australia's monolithic landscape."

Christina Broom is widely heralded as the most important women in early press photography.

The perfect combination of sunset and rain make for a purple sky in this photograph by Joshua Moore.

BigPicture photo contest winners celebrate diversity of life while inspiring conservation.

March 11 marks the second anniversary of the devastating earthquake and tsunami that displaced more than 30,000 and left more than 19,000 dead or missing.

A Pluto-bound NASA probe has captured the best-ever images of the dwarf planet.

Scientists are stunned at the incredible new images of the surface of Pluto, its largest moon Charon and its farthest-flung moon Hydra.

Snow and near sub-zero temps didn't prevent a horde of prefab admirers — including this blogger — from welcoming Breezehouse to the East Coast.

Thanks to the combined technology of satellites and weather stations scattered around the Antarctic Peninsula, researchers can now keep tabs on the region's shi

Mountaintop removal mining has destroyed hundreds of mountain peaks and at least 1,200 miles of streams in the Appalachians, and remains a hotly contested issue

It's unclear whether some animals really smile to convey joy, but these critters sure look happy.

Comedy Wildlife Photography Awards are looking for the funniest candid photos of animals just being themselves.

From a man wearing a minotaur mask to a collection of taxidermy, these fascinating images were the 2018 Sony World Photography winners.

From Dutch flower fields to Californian slopes, windmills are one of mankind's oldest ( loveliest) energy machines. Here are some windmill photos to celebrate.

A crowd of farmers, environmentalists and community members gather at a May Day rally in Sydney to call for tougher mining restrictions to protect sensitive lan

Space Shuttle Enterprise, mounted atop a 747 shuttle carrier aircraft, flies over New York City prior to landing at John F. Kennedy International Airport on Apr

U.S. first lady Michelle Obama and Dr. Jill Biden, wife of U.S. Vice President Joe Biden, host a party at the White House on May 10 for mothers, grandmothers an

Photographer Elena Shumilova creates timeless images of childhood that touch people all around the world.

It's a breakthrough that scientists around the world have been pursuing for years.

An impact basin spotted on Mercury with two smaller craters above it looks remarkably like the sweet treat-loving Cookie Monster muppet of "Sesame Street" fame.

Thanks to massive water-diversion and salt-evaporation projects, satellite images show how the Dead Sea is gradually living up to its name.

A handy new tool can transform your pictures into colorful mosaics of emoji.

Instagramming your restaurant could get you a slap on the wrist from the chef. Should it?

Conservation photographer Morgan Heim talks about her work, and how being foolish can lead to brilliant things.

Cristina Mittermeier discusses the modern movement of conservation photography in an interview.

The Beagle 2 Mars lander is clearly visible in new photos from NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) in orbit around the Red Planet.

For every cat photo or video you post on social media using the #MyGreatCat hashtag, Purina Pro Plan will donate a pound of food to feline rescue groups.

Have you noticed a plethora of puppies on your Facebook page? This is why people are posting them.

Iconic landmarks and skylines all across the globe were plunged into darkness on Saturday for Earth Hour.