For all its unknowns, the glorious constant of space is its surprises. For instance, when astronomers discovered what color it is.
A spacecraft not much bigger than a loaf of bread is demonstrating that sailing the cosmos is a possibility.
And now for something beautiful: the International Space Station crosses the sun.
Meet the space-weather forecaster leading the charge to help us understand solar flares and geomagnetic storms before it’s too late.
The Hubble Telescope has captured the spectacular in space for almost three decades, bringing us light years into the past and helping us ponder the future.