Indian astronomers have observed an X-ray binary system designated SXP 138. Results of the NuSTAR observations, published ...

Astronomers using ESO’s Very Large Telescope have discovered a truly bizarre planet — one that orbits two stars at a perfect 90-degree angle. This “polar planet” circles a rare eclipsing pair of brown ...

The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

Astronomers have found more ORCs in the years since those initial discoveries, and some of them also appear to have a galaxy ...