Not all stars shine brightly all the time. Some have a brightness that changes rhythmically due to cyclical phenomena like passing planets or the tug of other stars. Others show a slow change in this ...

TALLAHASSEE, Fla. — How is matter created? What happens when stars die? Is the universe shrinking, or is it expanding? For decades, scientists have been looking for answers to such “big picture” ...

As stars go, ours is a bit of a pipsqueak. As vital as Sol is to the continued existence of life on Earth, the advent of telescopy and the work of pioneering astronomers in the 19th and early 20th ...

Astronomers have uncovered the violent secret of V Sagittae, a white dwarf star consuming its companion in a spectacular feeding frenzy. This cosmic dance not only makes the system burn with unusual ...

An ancient group of six exoplanets whose orbits have been unchanged for billions of years could tell us about how planetary systems like our own solar system formed. When planets orbit a star in a ...