These volcanic seamounts are rich with life and are estimated to be at least 30 million years old, formed when Australia and Antarctica broke apart.

The find confirms that America's earliest human inhabitants were here much sooner than previously thought.

Located under the Hiawatha Glacier, the impact crater is one of the largest on Earth.

Elasmotherium sibiricum, the so-called 'Siberian unicorn,' is not as closely related to modern rhinos as once thought.

Miners in Australia uncover the opal-filled fossil of a dog-size herbivore named Weewarrasaurus pobeni.

In A.D. 536, a volcanic eruption sent a thick haze into the air that blocked the sun over Europe, the Middle East and some of Asia for 18 months.

The bottom of the Pacific Ocean is actually cooling down. How is this possible? The answer is proof that Earth's systems operate on long timescales.

This supposed moon rock is actually an Earth rock. It was likely jettisoned from our planet ages ago, eventually crashing into the moon.

Anjouan is an island between Africa and Madagascar littered with sedimentary rocks called quartzite that don't belong there. Are they a chunk of Gondwana?

New research suggests it will take millions of years for extinct species to return to Earth.

Scientists say Zealandia meets all the requirements to qualify as a continent, even though 94% of it is underwater.

8 strange and surprising facts about the T. rex, king of the dinosaurs.

NASA's Cassini orbiter and other telescopes reveal stunning pictures of the planet and its rings.

The space agency's $650 million Neo Surveillance Mission is designed to spot killer asteroids.

From nearsightedness to bone mass, a trip to the International Space System has a notable effect on astronauts' bodies.

Trying to stay cool while obeying his own stringent vehicle idling restrictions, New York City Mayor Michael Bloomberg enlists security detail to install a full

As acidic seawater forces shellfish to grow thinner shells, scientists warn of a ripple effect that could alter marine ecosystems around the planet.

Microbes possibly feeding on the remains of an ancient forest may be generating billions of tons of methane deep beneath Antarctic ice, a new study suggests.

Rising carbon dioxide levels at the edge of space are apparently reducing the pull that Earth's atmosphere has on satellites and space junk, having effects on t

The U.S. energy sector is 'in the midst of a transformation,' according to a new report, thanks to the growing use of natural gas and renewable power sources.

Top polluters would pay $20 per ton of carbon emissions under the carbon tax plan, with 60 percent of the revenue returned to each U.S. resident.

Toyota has donated 4,500 free trees for this March's giveaway for New York City residents.

Cyclists have "increased heart rate and respiration," resulting in more CO2 emissions, said state Rep. Ed Orcutt.

Scientists have created a microbe that converts carbon dioxide into biofuel, a discovery that might boost the battle against climate change.

The environmental movement's challenges are greater than ever, but the founder of 350.org says victory lies ahead.

This much CO2 hasn't filled the planet's atmosphere since the Pliocene Epoch 3 million years ago — long before modern humans existed.

We hear a lot about carbon dioxide when we talk about climate change, but sometimes here's why too much CO2 in the atmosphere is a bad thing.

Seafloor-dwelling bacteria may prevent methane from reaching the atmosphere by eating it up.

A greenhouse gas that is thought to have a potent impact on global warming was detected in trace amounts in the atmosphere.

Absorbing more carbon dioxide than they release, these vast forests can be credited with helping to lower levels of greenhouse gases in the atmosphere.

This surprising discovery won't be enough to stop climate change, but it will help, researchers say.

The Swedish home furnishings giant plans to offer 'lower carbon alternatives' to the signature pork and beef meatballs sold at its in-store cafes.

Just in time for a new U.S. report on climate change, a stunning animation shows how much we've already altered Earth's air.

The risk of 'severe, pervasive and irreversible impacts' is quickly rising worldwide, the draft report warns.

The gassy hotspot is centered over New Mexico's San Juan Basin, where some 40,000 wells suck out natural gas trapped in coal seams.

The climate-changing greenhouse effect exists and has been directly measured in the United States, a new study reports.

Scientists estimate more than 7,000 dangerous methane 'bumps' have formed in Siberia's Yamal and Gydan peninsulas over the last couple of years.

Climate change may be stripping nutrients from the most basic of foods, and that's making its way up the chain to us.

For several countries, the switch from coal to renewable energy is paying off in our attempt to reduce global carbon emissions — but we still have work to do.

The latest World Meteorological Organization Greenhouse Gas Bulletin paints a grim picture for our environment.

A 2017 study published in Environmental Research Letters offers a number of ways to reduce your carbon emissions, and having fewer kids topped the list.

New study finds that nanoparticles commonly used in antibacterial socks may significantly boost greenhouse gas emissions.

Study reveals that open-water swims have a dramatic effect on young cubs, which are forced to follow their mothers in search of food and solid ground.

The new white Coca-Cola cans are part of a fundraising campaign to protect the Arctic.

Four years in the making, the Discovery Channel/BBC co-production is a groundbreaking look at the Earth's polar regions.

Polar bears have ruled the Arctic for 100,000 years, but now they're struggling to keep up as the region undergoes a dramatic transformation.

Long-term thinning of Arctic sea ice combined with an intense, windy storm over the Arctic in early August contributed to a new record low for sea-ice extent, s

A weather balloon has broken the record for the longest balloon-borne experiment in Antarctica, and is still going strong.

In continued efforts to track changes in glacial and sea ice, NASA's IceBridge plane has begun collecting data in Greenland.

It may be time to retire the groundhog and start tracking Arctic sea ice for a better prediction of late-winter weather.