Discover the science behind seeing your reflection in water. Light travels in straight lines and bounces off smooth surfaces, ...

Astronomers have observed the detailed motions of giant gas bubbles on the surface of a nearby star for the first time, which rise and fall like the inside of a lava lamp. The massive hot gas bubbles ...

The Earth sits in a 1,000-light-year-wide void surrounded by thousands of young stars — but how did those stars form? In a paper appearing Wednesday in Nature, astronomers at the Center for ...