Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

A light microscope image of a planktonic foraminifera collected from the water in the Southwest Indian Ocean. (Photo by Tracy Aze, University of Leeds via Courthouse News) (CN) — Carbon is one of the ...

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our ...

Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from asteroids and comets... What space dust reveals about Earth's ice age Around ...

Mars is half the size of Earth, with one-tenth of our planet’s mass, and at the nearest point in its orbit is over 33 million miles away. Yet new research highlights the extraordinary influence the ...

Planet Earth used to be something like a cross between a deep freeze and a car crusher. During vast stretches of the planet’s history, oceans from pole to pole were covered with a blanket of ice a ...

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 ...

They don't cause ice ages, but they do control the volume of things like glaciation and the factors that can trigger ice ages. Kane's simulations show that without Mars the frequent and intense ...

You can learn all about how the Ice Age impacted Utah at an exhibit at the Natural History Museum of Utah, for a limited time. "Mysteries of the Ice Ages" explores 18,000 years of Earth's dramatic Ice ...