Throughout Earth’s long and dynamic history, the climate has shifted dramatically. Ice ages have come and gone, shaping the planet and leaving scientists and historians alike wondering about their ...

Eccentricity. Obliquity. Precession. The Earth’s climate is influenced by both natural long-term cycles and recent human activities. The Milankovitch cycles refer to the long-term variations in the ...

Scientists have long debated what causes glacial/interglacial cycles, which have occurred most recently at intervals of about 100,000 years. A new study reported in the March 24 issue of Nature finds ...

A new study is examining the Earth's carbon cycle in new depth, using diamonds as breadcrumbs of insight into some of Earth's deepest geologic mechanisms. A new study led by a University of Alberta ...

The idea that a day on Earth always lasts 24 hours feels fixed, which is believed to be permanent. The same rhythm people ...

March 3 (UPI) --For the first time, scientists have quantified the influence of humans on surface water storage, a key component of the global water cycle. Most investigations of the impacts of human ...