In this recent image from space-based telescope Hubble, we see something extraordinary. The moons Europa, Callisto, and Io transit the planet Jupiter, casting shadows on its roiling clouds. Read More >>
Back in 1995, the Hubble telescope took an absolutely breathtaking photo of stars being formed that's now known as "Pillars of Creation." 20 years later, NASA has released a couple of new images of the same star formation.