Mars today is a cold, dry, dusty planet with its only obvious water locked up in frozen polar ice caps. But billions of years ago, it appears to have had sandy beaches lapped by waves along the ...

Sunken ruins at Apollonia reveal how ancient Greeks carved islands, built breakwaters and engineered a harbor to protect ...

"As the creatures are building their shells, they incorporate elements from the oceans, and we can measure the differences in the chemistry of these shells to broadly reconstruct information about ...

Swim, kayak and paddleboard in the turquoise waters of the Aegean Sea along the shorelines of some of Greece and Turkey’s ...

Ancient forests may have fueled a deep-sea oxygen boost nearly 390 million years ago, unlocking evolutionary opportunities for jawed fish and larger marine animals. New isotopic evidence shows that ...