Some of the brightest and hottest stars in existence may be formed by the collision of two other stars, astronomers have found. The formation of these intensely bright stars, called blue supergiants, ...

Planets can orbit one star in a binary system (S-type orbit). Planets can orbit both stars in a binary system (P-type orbit). Planets might share an orbit with a smaller star in a binary system ...

What happens when a planet defies every expectation of how worlds are supposed to form and move? In the nu Octantis system, astronomers have confirmed the existence of a planet that orbits in the ...

An international team of astronomers reports the discovery of a new pre-main-sequence eclipsing binary system. The newfound ...

Could our sun have had a partner star during the early days of the solar system? A new study suggests our sun may have had a binary companion, like the system of the planet Tatooine from the original ...

This artist’s impression shows the strange object AR Scorpii. In this unique double star a rapidly ... More spinning white dwarf star (right) powers electrons up to almost the speed of light. These ...

March 11 (UPI) --Astronomers have spotted a rare eclipsing binary brown dwarf system using the "first light" observations of a new array of telescopes in Chile. The new SPECULOOS telescopes were built ...