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 ...

Researchers have identified a "tipping point" about 2.7 million years ago when global climate conditions switched from being relatively warm and stable to cold and chaotic, as continental ice sheets ...

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 ...

Last summer, marked by deadly extreme heat and devastating wildfires, was the warmest in at least 2,000 years, according to new research, which analyzed weather data and tree rings to reconstruct a ...

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 ...

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.

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 ...

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 ...

An international team featuring faculty at Binghamton University, State University of New York has drilled the longest ever sediment core from under an ice sheet, providing a record stretching back ...

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 ...

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 ...