evolving climate

Captured by the Hubble Space Telescope, the heliosphere of a young star, LL Orionis, collides with an interstellar medium of dust. A similar event with our own sun, researchers say, might have occurred between two and three million years ago.

A Giant Interstellar Cloud May Have Once Enveloped Earth, Potentially Causing Ice Ages

Astronomers suggest this cold, dense cloud compressed our sun's protective field between two and three million years ago, leaving the Earth exposed to cosmic material

Baobab trees can reach 100 feet tall, and they support entire ecosystems and communities with their large structures and natural resources.

Scientists Uncover the Ancient Origins of Baobab Trees in Genetic Study

The trees originated in Madagascar 21 million years ago but later traveled long distances by way of ocean currents, according to new research

Mars' orbit has an impact on Earth's oceans and climate in cycles of 2.4 million years, new research finds.

Mars Has an Unexpected Influence on Earth's Oceans and Climate, Repeating Every 2.4 Million Years, Study Finds

The gravitational interactions between Mars and Earth as they orbit the sun may have periodically promoted a warmer climate and changes in ocean circulation on our home planet

During the Little Ice Age, which spanned roughly 1250 to 1860, average global temperatures dropped by as much as 3.6 degrees Fahrenheit.

These Paintings Reveal How the Dutch Adapted to Extreme Weather During the Little Ice Age

Artists like Pieter Bruegel the Elder and Hendrick Avercamp documented locals' resilience in the face of freezing winters and food shortages

An artist's impression of Gigantopithecus blacki near a forest in southern China.

What Caused the Mysterious Extinction of 'Giganto,' the World's Largest Ape?

The massive primates were unable to shift their diet to keep pace with a changing climate, according to a new study, forcing them to eat less nutritious bark and twigs

A quarry in the Cerro Blanco Forest in southern Ecuador, which is facing threats from construction and deforestation.

Humans Have Exceeded Six of the Nine Boundaries Keeping Earth Habitable

Scientists find we are “well outside the safe operating space for humanity” in a new study meant to assess the health of our planet

Geochemist Blake Dyer observes the north shore of Molokai.

Scientists Look to Ancient Hawaiian Reefs for Clues About Future Sea-Level Rise

Researchers search the shores of Molokai for fossils to help predict the impact of melting ice sheets on our oceans

Skull of Homo erectus from the Republic of Georgia

An Extreme Ice Age May Have Wiped Out Europe's Earliest Humans 1.1 Million Years Ago

New research suggests the continent was devoid of hominins for about 200,000 years after a previously unknown cold snap

California Department of Water Resources officials prepare to measure the snowpack at Phillips Station in El Dorado County, California, on Tuesday.

California’s Snowpack Is High Above Average—but Its Drought Is Far From Over

While extreme storms have boosted the state’s snowpack, they’ve also caused destructive flooding

Frozen chemicals across the country could thaw and make their way into groundwater and surface water during winters, research suggests.

Once-Frozen Chemicals Could Pollute Water as Winters Warm

Thawing agricultural nutrients threaten streams, lakes and rivers across the country, new research suggests

Mechanical engineer Xiulin Ruan helped develop the world's whitest paint.
 



 

The World’s Whitest Paint May Soon Help Cool Airplanes and Spacecraft

The ultra-white color reflects up to 97.9 percent of sunlight and may reduce our reliance on air conditioning

Aerial view of the usually submerged ruins of the village of Aceredo in northwestern Spain on February 15, 2022

This Summer’s Drought Is Europe's Worst in 500 Years. What Happened Last Time?

The 1540 megadrought brought mass suffering to the continent, but European society quickly bounced back

Scientists measured a carbon dioxide concentration of 420.99 parts per million, an increase of 1.8 ppm over 2021. 

Carbon Dioxide Levels Now Higher Than Ever in Human History

Levels have risen more than 50 percent in the last two centuries alone

Researchers wanted to study how Anna's hummingbirds adapted to higher elevation. (Pictured: male Anna's hummingbird)

Scientists Moved Hummingbirds to High Elevations to See How Climate Change Might Affect Them

Artificial migrations to colder environments altered the small bird's metabolism and ability to fly

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

The interactive map will be updated with the latest predictions in mid-September.

See When Fall Foliage Will Peak With This Interactive Map

County-by-county predictions reveal when to catch the most brilliant autumnal colors

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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Drop in Greenhouse Gas Caused Global Cooling 34 Million Years Ago

A new study confirms that carbon dioxide plays a significant role in any climate change

A healthy crop of mussels lines the coast, exposed during low tide. Mussels will split open when they overheat, such as in June's heat wave.

Pacific Northwest and Canada's Crushing Heat Wave Cooks Millions of Sea Creatures

The estimated death toll could be more than a billion

Globally, there are about 3,000 species of dragonflies inhabiting freshwater habitats. Each species has a unique color along their bodies or wings that helps them camouflage into their surroundings, attract mates, intimidate rivals and ward off predators. (A male twelve spotted skimmer 
Libellula pulchellapictured)

Warmer Climate May Cause Male Dragonflies to Lose Their Patchy Wings

Dark spots on the insect's wings can cause them to overheat. But as they lose them to adapt to climate change, potential mates may not recognize them

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