We've known that the universe is expanding since 1929, and that its expansion is accelerating since 1998. The culprit behind ...

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

Bird brains may be tiny, but they pack in as many—or more—neurons as much larger animals. Similar to humans and other animals with higher intelligence, the executive center of a bird's brain allows ...

Learn about the revolutionary engineering behind Paris's most iconic landmark, the Eiffel Tower. Explore the revolutionary engineering behind Paris's iconic landmark. Completed in 1889, the iron tower ...

Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs. Why are birds the only dinosaurs still alive today? Rare fossil discoveries are revealing the secrets of ...