For the first time, astronomers have spotted a rapidly spinning neutron star that is gravitationally bound to a helium star ...

The stars in a binary can vary widely in mass, size, and brightness, and their interactions often shape their evolution in ...

A small international team of astronomers has confirmed that a binary star system with an odd signal has a companion—a planet ...

Astronomers may have discovered a rare type of binary star system, where one star used to orbit inside its partner.

A team of Chinese astronomers has discovered a binary star system, comprising a millisecond pulsar and a helium-rich ...

Scientists suggest a star and its planet are orbiting a second star in two opposite directions in an exotic binary star ...

Theoretically, a star can travel within another star without the two merging. Now an example may have been discovered for the ...

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 ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the ...

Astronomers have discovered a remarkable planetary system that challenges long-held assumptions about where planets can ...

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive ...