Environmental Science

Introducing a new species into an ecosystem can have unforeseen and disastrous consequences for the species that already live there.

By Karen Kirkpatrick

Could the source of Earth's future energy come from an ambitious idea to encircle the sun with technology? Maybe, but it's a concept that's a long way from today's reality.

By Nathan Chandler

There's no question that people are interested in solar energy. The problem has been how to store it. Could the much-hyped Powerwall home battery change that scenario?

By Nicholas Gerbis

We humans love to create. We build soaring skyscrapers from the ground up. We fill blank canvasses with timeless, magnificent art. Can we achieve the ultimate feat and generate matter?

By Robert Lamb

The end of Earth will likely come about because of the sun in our solar system. This much you might already know, but we actually have an approximate date.

By Robert Lamb

Despite the best efforts of disaster prevention crews, oil from the Deepwater Horizon spill affected creatures and plants both on land and in the water. Is it possible to know the entire environmental impact of the spill?

By Jonathan Strickland

As global freshwater sources become scarcer, desalination plants play an increasingly pivotal role, transforming our vast oceans into drinkable reserves. Let's delve deeper into the mechanics of these vital facilities.

By Laurie L. Dove & Desiree Bowie

Relief wells made the news as a possible method to cut off the Gulf Coast oil leak, but that's not all they're used for. How do these wells prevent and stop dangerous overflows?

By Laurie L. Dove

Everyone loves foraging for seashells at the beach, but the true jackpot is finding a perfect unbroken sand dollar. However, taking one home may not be such a good idea.

By Alia Hoyt

Square waves also called Cross-sea waves may looks super cool. But you never want to get caught up in the grid-patterned waves they generate.

By John Perritano

The U.S. is full of exceptional geological formations. But these five set the bar high as far as landmarks go.

By Mark Mancini

This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.

By Alia Hoyt & Desiree Bowie

The world has only had time zones since the late 1800s. Some people think we should eliminate them and have just one universal time instead.

By Patrick J. Kiger & Austin Henderson

Permafrost across the globe is rapidly melting. What could this mean for the future of the planet?

By Mark Mancini

Many scientists say that the response to climate change will require planting new trees. A whole lot of them.

By Tara Yarlagadda

Let's take a look at some of the strongest metals on Earth and their surprising uses.

By Dave Roos & Sascha Bos

It's perhaps one of the strangest fossils ever discovered. We'll explain how it came to be 15 million years ago, and how hikers found it in the '30s.

By Mark Mancini

Not only do bug zappers mostly kill beneficial insects, they also can serve you up a side of bacteria with your burger.

By Chris Opfer

Cobalt is associated with the color blue, but it's so needed for rechargeable batteries that the U.S. put it on the list of minerals it can't live without.

By Dave Roos

EXXpedition founder Emily Penn will captain the 300, all-female crew in its first Round the World sailing voyage.

By Patty Rasmussen

Global warming and climate change are terms often treated like synonyms, but they have different meanings. We'll explain the difference and why both are so important to know.

By Mark Mancini

The Salton Sea, California's largest inland lake, and the area that surrounds it - once hotspots for tourism and wildlife - have essentially become ghost towns. The lake's evaporation has now become a ticking ecological time bomb with real world consequences.

By Stephanie Parker & Austin Henderson

Cultures all over the world have treasured turquoise for its color and rarity for thousands of years - from Native American jewelry and Aztec and Mesoamerican art to King Tutankhamun's death mask.

By Michelle Konstantinovsky & Austin Henderson

Discover the origins of the continental drift theory and how scientists explain these geologic phenomena.

By Patrick J. Kiger

Ice stupas are artificial glaciers that store frozen water to be used for hydrating crops in the driest stretches of the year in the high desert of Himalaya.

By Mark Mancini