Toward the end of every year, the Northeast Indian Monsoon (NEM) batters southern India with torrents of driving rain, but climatologists have never precisely defined when the monsoon begins and ends.

The forecast for the global average surface temperature for the five-year period to 2023 is predicted to be near or above 1.0 °C above pre-industrial levels, according to new figures.

According to a group of international researchers, the potential for large countries to contribute to environmental protection is being overlooked.

The polar vortex, a swirl of low-pressure air six miles up in the atmosphere, blasted much of the American Midwest and Northeast in late January 2019 with temperatures cold enough to bring on frostbite within minutes.

The Hohokam were an ancient people who lived in the arid Southwest, their empire now mostly buried beneath the sprawl of some 4.5 million people who inhabit modern-day Phoenix, Arizona and its suburbs. 

An international team led by the Innsbruck geologists Arata Kioka, Tobias Schwestermann, Jasper Moernaut, and Michael Strasser could quantify for the first time the entire trench-wide volume of marine sediments that were remobilized by the magnitude 9 Tohoku-oki earthquake in 2011 and transported into the up to 8 km deep Japan Trench.

Spring wildflowers may face challenges in a warming climate.

Julienne Stroeve once dreamed of travelling to outer space. Instead, she has limited her travels to the ends of the earth.

Earth’s long-term warming trend continued in 2018 as persistent warmth across large swaths of land and ocean resulted in the globe’s fourth hottest year in NOAA’s 139-year climate record.

A new study may resolve an old debate about how tough the Vikings actually were.