For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

Scientists have long debated why Earth and Mars lack certain essential elements. A new study reveals that these missing ...

One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

In the heart of Bamako, architect Mariam Sy is leading a quiet revolution – one handful of earth at a time. Her vision merges ...