Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe’s inexorable slide into decay.

National Geographic's enterprising photographers have helped readers explore and learn about our beautiful world through their images for more than a century. Here is their best work from the past ...

With these new methods, we can get as much as 2,000 or 3,000 genes for every individual in the relationship tree. It’s incredible.” The ability to more accurately place animals on that tree has huge ...

In the run-up to the general election, I regularly covered why the polls and focus groups gave reason to doubt the electoral wisdom of the Conservative Party’s focus on immigration. Why repeatedly ...