Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

Galaxies without stars might seem like a contradiction. Aren’t galaxies supposed to be islands of stars, gas, planets, and more? Well, maybe this newly discovered object should be called a failed ...

The name Jumpseat was first revealed in a 1986 book by the investigative journalist Seymour Hersh on the Soviet Union’s 1983 ...