Earth History

Earth’s Deep Past: Cooling Hit *After* Ancient Extinction?

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A geological cross-section of ancient rock layers on Anticosti Island

Did you know that Earth has gone through dramatic climate shifts before? We often talk about climate change today, but our planet’s history is full of its own climate rollercoasters. A new study, looking at ancient rocks from Anticosti Island in Canada, is challenging what we thought we knew about one of these events: the … Read more

Cosmic Dust: Ancient Air’s Whispers in Space-Borne Relics

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Cosmic Dust: Ancient Air's Whispers in Space-Borne Relics

Did you know that tiny specks of dust from outer space, which land on Earth every day, can actually tell us about the air our planet breathed millions of years ago? It sounds like science fiction, but it’s a fascinating reality that scientists are exploring. Scientists have discovered that certain types of cosmic dust, specifically … Read more