Ice ages have come and gone, shaping the planet and leaving scientists and historians alike wondering about their causes and ...

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 ...

Throughout Earth's history, the planet has been struck by multiple asteroids, some so large, like the Chicxulub Impactor, that Earth's climate was altered to the point of a mass extinction event.

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 ...

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 ...

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 ...

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 ...

Early Eocene forest, Wyoming, U.S. Illustration by Julius Csotonyi, Smithsonian Institution Pollinators play a vital role in fertilising flowers, which grow into seeds and fruits and underpin our ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

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 ...