Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly ...

The four-star system features three stars in stable orbits, plus a fourth at a distance equal to Jupiter's orbit around our Sun.

Two of the stars whirl around each other every few days, and a third star circles the pair once every 51 days. All three are ...

An international team of scientists, led by a Ph.D. researcher from Northumbria University, has made further discoveries ...

Jupiter reaches opposition once a year, when Earth passes directly between it and the Sun, creating the best possible viewing conditions for the giant planet. This astronomical alignment makes Jupiter ...