The historical climate record holds treasures beyond temperature data alone. From the founding of America through its bicentennial, an extraordinary collection of meteorological observations was ...

To spread awareness that “climate change isn’t just an environmental issue; it’s a human story woven into the fabric of our civilization’s rise and fall,” Georgetown University historian Professor ...

Turkey’s Lake Van provides a uniquely precise insight into Eurasia’s climate history The bottom of Turkey’s Lake Van is covered by a layer of mud several hundreds of metres deep. For climatologists ...

Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and decade scale cycles beneath the ice during Snowball Earth.

Deep in the world's oldest forests, towering giants have been keeping detailed records for centuries. These ancient trees are far more than passive observers of time. Trees act as time capsules. The ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to fluctuate during its most extreme ice age—known as Snowball Earth. During the ...

An international team has successfully extracted the world's oldest ice sample from Antarctica. Spanning 1.2 million years of climate history, this ancient ice core promises to unveil secrets about ...

Smithsonian researcher Ingrid Romero studies fossil pollen to reconstruct ancient climates and predict future changes Erin Wunderlich Researcher Ingrid Romero holds a case full of pollen slides at the ...

At the edge of East Antarctica, where the wind howls through a white emptiness and the air bites harder than steel, scientists uncovered something so old it makes even time feel young. Beneath that ...

Climate history recorded in a calcite deposit in a southern Nevada cave indicates that the hot, arid southwestern United States experienced significant shifts in temperature and rainfall over the last ...

When Mississippi seceded from the Union in 1861, its Declaration of the Immediate Causes proclaimed the absolute necessity of slavery, which produced the goods necessary to the world’s commerce and ...