Environmental Science

When it comes to fossils, specimens like Sue the Tyrannosaurus rex grab much of the attention. And while Sue is a staggering 67 million years old, she's a new kid on the block, compared to some of the oldest fossils ever found. What's older than Sue?

By Jonathan Atteberry

Archaeologists dig up and study the material remains of human civilizations. Bioarchaeologists do the same thing, except they focus on the remains of, well, us. What's the big deal about old bones and teeth?

By Nathan Chandler

There's no way around it: The world is currently gripped by a global energy crisis. As scientists scramble for answers, hydrogen energy has emerged as a great, yet flawed solution.

By Stephanie Watson

As the world deals with a global food crisis, farmers need to figure out how to grow crops in a clean and sustainable way. What does sustainable agriculture accomplish that conventional farming can't?

By Dave Roos

The world's forests hold some of its most precious natural resources -- its trees. Sustainable forestry encourages attention to the forests' long-term health so they retain their value.

By Ed Grabianowski

In the race to find alternative energy sources, wind power is a strong contender. In fact, it's already making its mark. How much do you know about this up-and-coming energy source?

By Lance Looper

Not only do cars produce a large portion of the world's pollution, but airplanes, boats, trucks, trains and buses also contribute to pollution. Is there one magic solution to pollution?

By Eric Baxter

That's the goal for these minuscule technologies with their array of seemingly miraculous materials, supernatural conductivity and paranormal photonics. Can you name one?

By Nicholas Gerbis

Recycling proponents tell us that everything that can be recycled should be. Some items, however, can use more energy to recycle than it would cost to make new ones. Are we better off throwing some things away?

By Jonathan Strickland

Most scientists agree that human interference in the environment has something to do with the recent trend of rising temperatures on the Earth. If we got ourselves in this pickle, what can we do about it?

By Jonathan Strickland

If it takes $1 million a year to save the California condor, how much would it take to save every endangered species? Is it possible, and how can we save species we don't even know exist?

By Jessika Toothman

Of course you know what gravity is. It's the force behind Wile E. Coyote plummeting off the face of a cliff and you stumbling spastically in front of your crush. But did you know it can bend light and help us detect hidden cosmic phenomena, too?

By Robert Lamb

Crack open any science textbook and the authors will tell you that such things don't happen. So how did a couple of paleontologists and an acid bath turn that widespread belief on its head?

By Robert Lamb

Our planet would be a much different place without its richly diverse ecosystems full of plants, animals and microorganisms. What poses the biggest danger to the millions of species that call Earth home?

By Jonathan Atteberry

The Pacific Ocean trash vortex is explained in this article. Learn about the Pacific Ocean trash vortex.

By Brian Merchant

You may have noticed that our planet isn't terribly predictable. Could a German polymath and an unfathomable pile of data change that?

By Robert Lamb

Found in everything from plastic shopping bags to water bottles to adhesives, paints and DVDs, industrial resins tend to have a bad rap when it comes to their environmental impact. Can new, sustainable options turn their image around?

By Chris Warren

About 70 percent of our energy comes from non-renewable sources like oil and natural gas. When they're gone, they're gone for good. Learn some simple ways to conserve energy through these five simple experiments.

By John Kelly

You probably think all parasites are disgusting little critters, but that's not always the case. Several are actually critical to the planet.

By Mark Boyer

If geology has taught us anything about Earth's history, it's that nothing is permanent. And that goes for mountain ranges, all of which are constantly rising and falling.

By Mark Mancini

For centuries, ancient cultures celebrated the winter solstice, the shortest day of the year, as the "day the sun came back." Here are five enlightening facts about the winter solstice.

By Kathryn Whitbourne

Scientists from The Ohio State University have drilled longest ice core from outside the poles.

By Mark Mancini

Although the trenched enclosures were probably used to conduct rituals, they can tell us how the ancient indigenous people of the Amazon managed their forests.

By Jesslyn Shields

The perfectly preserved remains of a 3,000-year-old settlement called Must Farm provide a window into the lives of the Bronze Age Britons.

By Jesslyn Shields

Rising sea levels, increased flood and extreme heat are all signs of climate change. Cities are trying some innovate strategies to cope with and mitigate these events.

By Dave Roos