EPA readies new air rules, dust storm hits Phoenix, giant wombat found, and more.

Oil spill raises pipeline doubts, Atlantis crew teases surprise, grizzly kills hiker, and more.

Space shuttle Atlantis lifts off, EPA issues new air rules, polar bears are Irish, and more.

Space junk haunts shuttle, heat wave hits U.S., critics boo 'Zookeeper,' and more.

Drought grips U.S., GOP wages battle of the bulb, fish uses tools, and more.

New space race starts, GOP loses bulb battle, dirty socks fight malaria, and more.

CO2 capture on hold, lost 'rainbow toad' found, rare cats endure war, and more.

Study reveals humans' top eco-flaw, whaling summit ends in walkout, why beta males are happier, and more.

U.S. bakes in heat wave, beef scare sweeps Japan, BP spills oil in Alaska, and more.

Last shuttle heads home, pine trees in peril, EPA sued over L.A. smog, and more.

NASA eyes asteroid, U.S. science smarts criticized, ethanol tied to price spikes, and more.

Space shuttle era ends, heat wave bakes U.S., Kenya burns ivory, and more.

U.S. heat wave peaks, crooks steal crops, Iran aims for space, and more.

Record 'dead zones' plague U.S., new heat wave likely, toxic thaw in Arctic, and more.

Fires to reshape Yellowstone, GOP pushes pipeline, hints of 'God particle' seen, and more.

U.S. eco-activist sentenced, cougar walks 1,500 miles, EPA delays ozone rule, and more.

The mob vs. wildlife, GOP vs. EPA, tequila vs. corn ethanol, and more.

Humanity to hit 7 billion in 2011, U.S. unveils new mpg rules, Shark Week begins, and more.

Key fish in crisis, rhino wars escalate, rescued penguin to be released, and more.

U.S. suffers record heat, lethal radiation in Japan, 'unicorn' plant at risk, and more.

Amazon damage rises, heat wave roasts U.S., new proof of 'multiverse,' and more.

U.S. wolves in crosshairs, Earth's moon may be 2 in 1, cyclone hits Haiti, and more.

Photos suggest water on Mars, Shell to drill in Arctic, storm outlook worsens, and more.

Economic rut spurs ecological rush, EPA vs. 'glymes,' icebergs vs. drought, and more.

EPA may delay ozone rule (again), Japan hid radiation info, DNA traced to meteorites, and more.

Big rigs get mpg boost, electric car goes solar, supermice rise in Europe, and more.

'Huge' step in cancer fight, Mars rover sends new pics, actress boosts alien hunt, and more.

Bad outlook for U.S. drought, dino gave live birth, meteor shower tonight, and more.

Schools save energy, E. coli spurs beef recall, Europe vs. Asia on rhinos, and more.

Cities adapt to climate shifts, oil fouls North Sea, walking lengthens lives, and more.

Arctic oil worries natives, school lunches get real, sleeping bears still trouble, and more.

SkyBridge, North America's longest pedestrian suspension bridge, opened earlier this year in Gatlinburg, Tennessee. And now it's ready for Christmas.

The Via Francigena is a 1,250-mile trail that passes through England, France, Switzerland and Italy.

England's Lake District National Park, the U.K.'s most popular national park, offers unforgettable hikes and views.

It's hard to get a read on Polaris because it's too bright for our equipment. Plus, other cool facts about the North Star.

The celestial object C/2019 Y4 or ATLAS may be visible to the naked eye by May. It was only just discovered in 2019.

There's plenty to see in the April night sky, from approaching new Comet ATLAS to the Lyrid meteor shower.

Researchers pored over historical accounts to crack the case of a 1,400-year-old light show.

Black holes generally power some of the brightest objects in the universe, so why is Sagittarius A* so calm?

If you have teenage drivers and are trying to live within your means, here are a few tips for keeping insurance costs down.

Most of my life I’ve preferred solo running. But now that I’ve reached a certain age, I’m looking for accountability, community and friendship.

If you're inclined to give, here's how to find a worthy recipient.

Move over pumpkin spice, the humble pear is a true harbinger of fall. Here's how to choose and eat the different types of pears.

Aflac employee and Auburn alumnus rallies colleagues to raise more than $70,000 for boy with leukemia.

An Aflac CSR Hero volunteers to instill a sense of purpose and confidence in New Hampshire children who need it most.

The company celebrated its employees and independent agents who exemplify its mission to serve the community.

It's not just that your mom encourages second helpings. Studies show that a phenomenon called "social facilitation" is one factor in why we overeat with others.

The holiday season is a weighted one, full of food and food-pushers. Here's how to gently, but firmly, stand your ground.

Don't spend money on bottled electrolyte water when you can make your own. This homemade electrolyte drink is healthier than sugar-filled store-bought versions.

Find out where to fill up with biodiesel on a road trip.