Astronomers have identified a rare type of binary star system containing a rapidly spinning millisecond pulsar and a helium star companion, formed via common envelope evolution. Although such systems ...

In theory, a planet may be able to orbit a binary star system in a figure of eight, but it may not be particularly stable, ...

For many years, binary star research was as neglected as an old Tamagotchi. Not anymore. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Some 90s ...