Ice Age
From Frozen to Sweltering: Earth’s Climate Over the Last 485 Million Years
Earth's last half-billion years were action-packed. During that time, the climate underwent many changes. There have been changes in ocean…
3 months ago
A Distant Asteroid Collision Gave Earthly Biodiversity An Ancient Boost
About 466 million years ago, there was an asteroid collision in the asteroid belt between Mars and Jupiter. The collision…
5 years ago
12,800 Years Ago, Earth Was Struck by a Disintegrating Comet, Setting Off Global Firestorms
According to a massive research study, Earth was struck by a comet 12,800 years ago that caused massive wildfires to…
7 years ago
What is an Ice Age?
Planet Earth has gone through several "ice ages", where dropping temperatures has led to the expansion of ice sheets and…
8 years ago