Four and a half billion years ago Mars was a watery planet. Traces found in the planet's rock and sand suggest that around 23 cubic kilometres of water once flowed there. In a current publication in ...

We think of Earth as the “blue” planet. More than 70 percent of it is covered by water. But 97 percent of this water is in the oceans and 2 percent is locked in glaciers and ice caps ...

This astonishing find could revolutionize theories about the origin of water on our planet and its long-term stability. The ...

As we celebrate Earth Day 2024 and think about the health of the blue planet, there is no other crisis more important than where land meets water in rural America. Water issues there have ...

Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet ... just right for liquid water to exist on the surface. Our planet's atmosphere is ...

Mars' blue rocks, along with dried riverbeds and lake remnants, point to a planet once rich with flowing water—a vital ingredient for life as we know it. The minerals, including haematite ...