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

Astronomers may have identified a rare binary star system where one star orbits within the volume of its companion. This ...

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

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

A planet twice the size of Jupiter has been confirmed in Nu Octantis. Its retrograde orbit and origin raise new questions about planetary formation in binary systems.

An astonishing fact only known for the past few decades is that every big galaxy in the universe has a supermassive black ...

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 ...

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