A predator that swam Earth's oceans more than half a billion years ago is unlike any creature that lives on our planet today.

On the evening of May 27, the 23-hour-old moon will appear low in the northwestern sky starting about a half-hour after ...

Earth and space mingle in stunning ways for the 2025 Milky Way Photographer of the Year contest. From the “geological ...

The story behind Thomas O’Dea's harrowing drawing of the Confederates' Andersonville Prison in Georgia. Memorial Day events will be held at the site this weekend.

Diatomaceous earth has so many different uses — find out if killing ants is one of them, and which type to use if so.