A map published by the U.S. Department of Homeland Security reveals plans to add a second border wall along much of the ...

On Thursday, the Center for Biological Diversity, Defenders of Wildlife and more than 150 conservation groups urged Congress to significantly increase the U.S. Fish and Wildlife Service’s budget for ...

Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

Doomsday meteors get a bad rap. For decades, these poor rocks have been tarnished in the press and demonized in major ...

Evolution occurs over millennia. Climate change is moving far faster. Scientists are working to close the gap.

A recently analyzed Lystrosaurus fossil proves that mammal ancestors laid eggs, according to a recent paper published in ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

A remarkable fossil discovery in western Hungary is reshaping what scientists thought they knew about one of the ocean’s most ...

In a statement today, the International Union for Conservation of Nature (IUCN) officially reclassified emperor penguins as ...

On the sand dunes near Ocean Beach in San Francisco, artist Alicia Escott felt the pull of history and the sense of loss, ...

Here in South Africa, we found soft-shelled dinosaur eggs, so there was no reason why we couldn’t find eggs from synapsids ...

A 250-million-year-old fossil of Lystrosaurus has uncovered new evidence that mammal ancestors, like this species, laid eggs.