Geography

A common bottlenose dolphin swimming off the coast of France. 

Dolphins Have Different Whistles Based on Their Environment

Genetics have little influence on the differences between dolphin whistles, but location and population demographics play an important role

Eileen McSaveney (left) and Terry Tickhill (right) use a hand augur to drill Lake Vanda, Wright Valley, Antarctica, during the 1969-1970 field season. Water collected during this effort was used to date the lake.

Ten Pioneering Women of Antarctica and the Places Named for Them

These coves, peaks, glaciers and other landmarks honor female explorers and scientists who have contributed to our understanding of the continent

Dorchester County artist Michael Rosato painted a mural of Harriet Tubman in Cambridge, Maryland.

Women Who Shaped History

Harriet Tubman Is Famous for Being an Abolitionist and Political Activist, but She Was Also a Naturalist

The Underground Railroad conductor's understanding of botany, wildlife biology, geography and astronomy allowed her to guide herself and others to safety

Gentoo penguins may become more numerous in parts of Antarctica that were once too icy for the temperate birds. 

New Antarctic Penguin Colonies Discovered Farther South Than Normal

As the climate warms, gentoo penguins are expanding to habitats that were previously too icy for them to raise chicks

Frozen ground preserved the body of this seven-week-old wolf pup, which lived during the Ice Age.

Five Fascinating Ice Age Finds Discovered in Yukon Permafrost

From a pristinely preserved wolf pup to ancient camels, remains found in northern Canada's frozen earth have provided remarkable glimpses into the Ice Age

(Top) Leila Strickland, Michelle Egger, Toby Kiers, Colin Averill, J. Richard Gott (Middle) Leslie Jones-Dove, Devshi Mehrotra, Prisha Shroff, Iké Udé (Bottom) Tim Farrelly, Omar Salem, David Deneher, Victor A. Lopez-Carmen, Doris Sung

Innovation for Good

Sixteen Innovators to Watch in 2022

These trailblazers are dreaming up a future with cell-cultured breastmilk, energy-saving windows and more

Researchers estimate that ancient builders used roughly 226,085,379 square feet of rock, dirt and adobe to construct the three main pyramid complexes in Teotihuacán's city center. Pictured here is the Pyramid of the Sun.

Mexico's Ancient Inhabitants Moved Land and Bent Rivers to Build Teotihuacán

Architects of the Mesoamerican city transformed the landscape in ways that continue to impact modern development today, a new study finds

A view of the Aghileen Pinnacles & Pavlof Volcano from the Izembek National Wildlife Refuge.

Three Volcanoes Are Erupting Simultaneously in Alaska

Scientists continue to monitor activity in Aleutians, other U.S. sites

Bellerby & Co. is a studio in London that makes globes by hand.

Take a Peek Into One of the Last Studios Still Making Globes by Hand

Spinning a globe is one way to 'travel' the world during the pandemic

Bee species are more diverse in dry regions where pollen is abundant.

Scientists Create a Buzz With the First Ever Global Map of Bee Species

Most of the insects avoid the tropics and choose treeless environments in arid parts of the world

The footprints found at White Sands National Park are more than 10,000 years old.

New Research

Fossilized Footprints Found in New Mexico Track Traveler With Toddler in Tow

Prehistoric tracks detail a moment when mammoths, sloths and humans crossed paths

The island of Smøla, Norway, is thought by many to be ultima Thule, first described by the Greek explorer Pytheas.

This Norwegian Island Claims to Be the Fabled Land of Thule

Residents of Smøla believe they live in the northernmost location mentioned in ancient Greek and Roman literature. Other contenders say not so fast.

Thousands of Black Lives Matter protesters congregate at Los Angeles' Hollywood and Highland intersection on June 7, 2020.

History of Now

How Urban Design Can Make or Break a Protest

Cities' geography can aid, underscore or discourage a movement's success

Time lapse of photographs captured by the GOES-East satellite from the National Oceanic and Atmospheric Administration (NOAA) on June 16, 2020. The plume is set to reach the southwest United States this week.

Huge Saharan Dust Cloud Could Bring Hazy Skies, Spectacular Sunsets to the United States

The large dust cloud has already obscured skies in the Caribbean and will likely reach Gulf Coast states by the middle of this week

This fresco by Jacopo Ripanda depicts Hannibal crossing the Alps in 218 B.C. New research claims to have located the site of the general's first major victory in Spain.

Cool Finds

The Ancient Battlefield That Launched the Legend of Hannibal

Two years before the Carthaginian general crossed the Alps, he won a decisive victory at the Battle of the Tagus

Young leatherback sea turtles.

Covid-19

COVID-19 Restrictions May Boost Leatherback Sea Turtle Nesting

Beaches in Florida and Thailand have tentatively reported increases in nests, due to decreased human presence. But the trend won’t necessarily persist

The Chiba cliff section along the Yoro River in the city of Ichihara shows traces of a reversal in the Earth's magnetic field.

The 'Chibanian Age' Is the First Geologic Period Named After a Site in Japan

The period is named for Japan’s Chiba prefecture, where a cliff shows evidence of the most recent reversal of Earth’s magnetic field

40 million people rely on the Colorado River for water, but its flow is falling by more than 9 percent with every 1.8 degrees Fahrenheit rise in temperature.

New Research

The Colorado River Is Shrinking as Temperatures Rise

River flow could drop by 19 to 31 percent if carbon emissions continues at their current pace

Remnants of Greater Adria in the Taurus Mountains

Cool Finds

Study Reveals Lost Continent Demolished by Europe

Painstaking research recreates the history of Greater Adria, which slipped under the Eurasian plate 120 million years ago

Cool Finds

An 8,000-Year-Old Platform in Britain Could Be the Oldest Boat-Building Site Ever Discovered

The Stone Age platform, where log boats may have been constructed, reveals early knowledge of advanced wood working techniques

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