Until now, just one binary system was known to host multiple planets — Kepler-47, located about 5,000 light-years away, in the constellation Cygnus, the Swan.

Using the Hard X-ray Modulation Telescope (HXMT), Chinese astronomers have observed an X-ray binary system designated IGR J19294+1816. As a result, they discovered multiple X-ray quasi-periodic ...

These odd binary systems go through multiple phases. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have identified a new kind ...

A bizarre planet defies cosmic norms: scientists have confirmed a giant planet orbiting in reverse around one star in a close binary system—an arrangement previously thought impossible. Using ...

Binary star orbits are oriented randomly. Sometimes, it happens that a telescope's line of sight aligns with the plane a binary star system orbits on.

For just the second time ever, astronomers have discovered multiple "Tatooine worlds," or exoplanets orbiting a pair of stars, in the same star system. The discovery is further proof that these Star ...