A critical measure of the ocean’s health suggests that the world’s marine systems are in greater peril than scientists had previously realized and that parts of the ocean have already reached ...

Ancient rocks once beneath the ocean hold clues of severe conditions unimaginable on today's planet. Artwork showing the Earth during the Cryogenian period. This geologic period lasted from 850 to 635 ...

Scientists have long suspected that Mars was once teeming with water, a tropical oasis with vast river systems that may have been able to support life billions of years ago. To get a better picture of ...

University of Alberta provides funding as a founding partner of The Conversation CA. University of Alberta provides funding as a member of The Conversation CA-FR. Our planet is unique for its ability ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

The Red Planet may have once been half blue. A sea the size of Earth’s Arctic Ocean blanketed part of Mars about three billion years ago, researchers suggest in a study published January 7 in the ...

Africa is breaking apart along a giant crack that will form a new ocean between two large masses of land millions of years from now, the latest research shows. The split is taking place along the East ...