A common height that seems normal in our human-scale world. Yet, when we compare it to the smallest and largest conceivable ...

Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

We know dinosaurs were big, but how big were they? And how do we even know? Luckily, paleontologists and other scientists know how to find the answers. By measuring fossils, comparing them to the ...

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." Astronomers have discovered a collection of tiny galaxies located roughly 3 million ...