Asteroids with moons, which scientists call binary asteroids, are common in the solar system. A longstanding question has been how the majority of such moons are formed. In this week’s issue of the ...

How naïve could I get! I was a newbie amateur astronomer in the autumn of 1963 when I first observed the double star Mizar (Zeta [ζ] Ursae Majoris). Aware that most double stars are binary systems ...

In 2017, astronomers found hypervelocity stars believed to have come from the Large Magellanic Cloud, supposedly kicked out of binary systems by supernovae. What kept the surviving star from being ...

"Look around your communities to see who the most marginalized, most vulnerable members are and make sure their voices are not just included but prioritized in conversations about equity and inclusion ...

The nearest black hole to Earth isn’t a black hole at all. Instead, what scientists thought was a stellar triplet — two stars and a black hole — is actually a pair of stars caught in a unique stage of ...

Binary stars are gravitationally bound together in the same system. Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them ...

Despite having dwelt exhaustively on the topic of stars — mainly our benefactor the mighty, yet fatherly, Sun — our knowledge of stars or universe on the whole is not complete unless we know about the ...

Gender equality in astronomy doesn't end with the male/female gender binary. In a study led by nonbinary astrophysicist Kaitlin Rasmussen, researchers took a look at gender equity in astronomy and ...