A green comet will come closest to Earth for the first time since the Stone Age
The comet last made its way through our solar system 50,000 years ago
NASA: Impressive images of a black hole that “devours” & destroys a star (video)
The astronomers suddenly noticed an uncontrolled growth of high-energy X-rays emitted from the black hole
Something Hellish might lurk under one of Jupiter’s moons
A possible super-hot sea of melted rock, unique in the solar system, could harbor secrets, weird mechanisms for forming planets & even recipes for exotic alien life