We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and distances given in these ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

Astronomers have found more evidence that there is a massive ripple traveling through the Milky Way. They have found evidence ...

Astronomers once struggled to measure the true size of the universe. Then came the discovery of Type Ia supernovae — explosions so consistent in brightness they could serve as “standard candles.” By ...