Our planet has a memory. Deep within ice cores and ocean sediments lies evidence of a time when Earth looked fundamentally ...

While the Milankovitch Cycles operate on timescales far longer than human lifespans, their effects are always at play.

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 ...

While the Earth has gone through some dramatic climate changes in its 4.6-billion-year history, natural processes like silicate weathering can help return things to a comfortable equilibrium. A new ...

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 ...

Earth has never stood still. Over its 4.5 billion years of history, our planet has been reshaped by different cataclysms and climate shifts. The atmosphere went through several changes, oceans froze ...

Climate change presents the gravest threat to life on Earth in all of human history. The planet is warming to a degree beyond what many species can handle, altering or eliminating habitat, reducing ...

Rising levels of CO2 in the atmosphere may trigger a series of geological and biological processes that could ensure the next ice age arrives on time instead of being delayed, researchers say. When ...

Seasons are more than just divisions of time — they are our connection with nature. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Throughout ...