Imagine looking back through Earth's incredibly vast history. We picture dinosaurs roaming lush landscapes, ancient oceans teeming with primitive life, and eventually, the rise of mammals leading to ...

New research suggests the Indus Valley Civilization was reshaped by centuries of river drought, migration, and climate stress ...

There are over 7 billion people living on the earth right now. Tens of millions are born and die each year. Every single one of us leaves signs of our existence in the air, water, soil -- even space.

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Ever since humanity began to actively explore space, one of the key objectives of any and all missions has been the detection of life, or at least the detection of the key ingredients needed to ...