Binary stars - a star system consisting of two stars - are extremely useful. They give all the information needed to measure mass of a star. Here is how.
The Rubin Observatory will find millions of exploding white dwarfs, or Type Ia supernovae. Astronomers can use them to measure the universe and dark energy.
Wait, what? It's true. The sky's brightest star, Sirius aka the Dog Star, will come to within 1.6 degrees of the south celestial pole in the year 66270.
On a recent flyby, the Juno spacecraft spotted intense volcanic activity on Io, one of Jupiter's moons. It was more extreme than any volcanism ever seen on Io.
Astronomers thought that exoplanet GJ 1214 b was either a watery super-Earth or a mini-Neptune. But a new study says it is more like a super-Venus exoplanet.
The new REASONS survey has found exocomet belts around 74 nearby stars. The images reveal a wide variety of comet belt appearances and ages. Find out more.