In a mission filled with unexpected surprises, NASA’s New Horizons spacecraft has left its scientists awed by the array of landforms and compositions found on Pluto and Charon
Astronomers have discovered an exploding star that belongs to the “superluminous” class, and it’s the most luminous one ever found.
Two binary systems and a fifth stellar wheel make for a rare, and so far unique, set of stars.
On June 15th a quiet black hole, V404 Cygni, suddenly flared for the first time since 1989.
The NuSTAR telescope has spied high-energy X-rays from five supermassive black holes shrouded in a thick veil of dust and gas, a test run that will lead to a better census of these hidden beasts.
Saturn (magnitude +0.3, in Libra upper right of the head of Scorpius) is highest in the south in twilight. It moves lower in the southwest after dark.
One of the smallest constellations in the sky hosts one of the richest concentrations of dark nebulae. Join S&T blogger Bob King for a dip in these dark pools from which the next generation of stars will be born.
Stargazing in July is warm and pleasant. After sunset Venus and Jupiter are together in the west and Saturn is low in the south amid the stars of Scorpius.
How will planetary scientists decide what to call the features they discover on Pluto and its moons?