Climatology

Asteroid impacts and volcanism have led to mass extinctions on our planet.

Has Life on Earth Survived More Than Five Mass Extinctions?

Scientists aren’t just arguing whether humans are causing a sixth mass extinction event now, but whether many more occurred in the past

Delos is a small, rocky island just west of Mykonos in Greece.

The Island Known as the Birthplace of Apollo Is Sinking

Researchers say climate change is to blame for the Greek island of Delos' slow demise

Val Castor, a veteran storm chaser for KWTV in Oklahoma City, saw the huge chunk of ice in a ditch on the side of the road.

Pineapple-Sized Hail Stone Falls in Texas—and It Might Set a New State Record

Veteran storm chaser Val Castor spotted the behemoth ice chunk in a ditch near Vigo Park in the Texas panhandle

Tourists cool off in front of a fan in Rome, Italy on July 18, 2023. Temperatures in the area at the time surpassed 104 degrees Fahrenheit.

Last Year, the Northern Hemisphere Had Its Hottest Summer in 2,000 Years

Researchers used tree ring data to compare temperatures from as far back as 1 C.E. to 2023 temperatures

Thwaites Glacier as captured by the Copernicus Sentinel-2 mission, November 26, 2020.

How We Came to Know and Fear the Doomsday Glacier

We’re only beginning to understand Antarctica's Thwaites, the world's most vulnerable glacier

Hikers discovered Ötzi the ice mummy in September 1991 in the Tyrolean Alps.

Rewriting the Story of Ötzi, the Murdered Iceman

A new study suggests that nearly everything archaeologists thought they knew about the 5,300-year-old corpse’s preservation was wrong

Greta Thunberg addresses climate strikers at Civic Center Park in Denver, Colorado.

Greta Thunberg Is Publishing the 'Ultimate Guide' to Climate Change

The book will feature contributions from over 100 novelists, scientists and activists

Wildfires blazed through Big Sur in January 2022.

We Are Changing Climate Faster Than We Can Adapt, New IPCC Report Warns

Despite the 'irreversible' impacts of a warming planet, scientists emphasize there is still time to act

Scientists used satellites to get a birds-eye view of the jaw-dropping bolts.

Intense Lightning 'Megaflashes' Stretched Almost 500 Miles Across Three U.S. States

The bolts, which occurred in 2020, broke records for distance and duration

The recent explosion was so powerful that it obliterated parts of the volcanic island of Hunga Tonga-Hunga Ha'apai, splitting it in two.

NASA Says Tonga Eruption Was More Powerful Than an Atomic Bomb

The recent blast was the equivalent of 4 to 18 megatons of TNT, according to scientists

The explosion was likely the biggest volcanic eruption recorded anywhere on the planet in more than 30 years.

Why the Eruption in Tonga Was a 'Once-in-a-Millennium' Event for the Volcano

The blast, which sent tsunami waves across the Pacific, left thousands of Tongans without access to water and power

An increase in rainfall could create a feedback loop that leads to more warming, the study authors conclude.

The Arctic Could Be Dominated by Rain Instead of Snow Within Decades

New research suggests that the transformation may happen faster than anticipated

Melting sea ice because of climate change forces walruses to congregate on land instead of ice.

Researchers Need Volunteer 'Walrus Detectives' to Help Count the Animals in Satellite Images

The project aims to quantify the impact of climate change on the species

New research suggests that clouds affected by wildfire smoke hold more water droplets but are tiny and less likely drop as rain.

Smoky Clouds That Form Over Wildfires Produce Less Rain

Particles from the smoke create tiny droplets too small to fall to Earth

Orca will be able to capture the equivalent of the annual emissions made by 790 cars.

World's Largest Carbon Capture Plant Opens in Iceland

'Orca' will use geothermal energy to pull thousands of metric tons of carbon dioxide out of the atmosphere and pump it underground

A town along the Ahr river was damaged following intense flooding.

Europe's Extreme Floods Are 'Up to Nine Times More Likely' Because of Climate Change

July's heavy rains were made more severe by human-caused warming

The creation of clouds over forested areas shows that reforestation would likely be more effective at cooling Earth’s atmosphere than previously thought, a Princeton study says.

Planting Trees Encourages Cloud Formation—and Efficiently Cools the Planet

New study examines cooling effect of clouds produced by deciduous forests under pressures of climate change

The Dixie Fire was named California's second largest fire, and it is still only 21 percent contained as of this week.

Major Climate Change Report Warns of 'Code Red for Humanity'

Weather disasters are 'going to get worse' unless countries act now to lower emissions

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A Journey to the Northernmost Tree in Alaska

Explorer Roman Dial leads a team of young scientists on a mission to document a rapidly changing landscape

Kiliii Yuyan, Umiaq and north wind during spring whaling, 2019

How Indigenous Peoples Adapted to the Arctic's Harsh Climate

A new exhibition at the British Museum spotlights an ingenious way of life threatened by global warming

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