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Recent detections of clay-bearing bedrock on Jezero’s crater rim have the Perseverance Science Team excited and eager to ...

These discoveries suggest Mars, billions of years ago during the Noachian and Hesperian periods (4.1 billion to 3 billion years ago), experienced a warmer, wetter period billions of years ago ...

Billions of years ago, during the Noachian and Hesperian periods (4.1 billion to 3 billion years ago), rivers carved valleys and lakes shimmered. As Mars’ magnetic field faded and its atmosphere ...

Billions of years ago, during the Noachian and Hesperian periods (4.1 billion to 3 billion years ago), rivers carved valleys and lakes shimmered. As Mars’ magnetic field faded and its atmosphere ...

Billions of years ago, during the Noachian and Hesperian periods (4.1 billion to 3 billion years ago), rivers carved valleys and lakes shimmered.

Liquid water once shaped the Martian landscape dramatically, carving valleys, filling lakes, and forming vast oceans. Billions of years ago, during Mars' early days known as the Noachian and ...

During the Noachian, a powerful river emptied into this region, depositing a delta on top of the crater floor. This image from NASA's Perseverance Rover reveals sandstone at the base of Jezero Crater.

The Noachian period of Martian history, from 4.1 to 3.7 billion years ago, is the poster child for a wet Mars.