What it would look like to leave planet Earth?

Peering from the shadows, the Saturn-facing hemisphere of Mimas lies in near darkness alongside a dramatic sunlit crescent.

Massive stars spend their brief lives furiously burning nuclear fuel.

What's the magnetic field like in the center of our Milky Way Galaxy?

What's the magnetic field like in the center of our Milky Way Galaxy?

Could this close-by asteroid ever hit the Earth? Eventually yes -- but probably not for a very long time, even though the asteroid is expected to pass inside the orbit of the Moon next century.

Don't panic. This little planet projection looks confusing, but it's actually just a digitally warped and stitched, nadir centered mosaic of images that covers nearly 360x180 degrees.

No one, presently, sees the Moon rotate like this. That's because the Earth's moon is tidally locked to the Earth, showing us only one side

This might look like a double-bladed lightsaber, but these two cosmic jets actually beam outward from a newborn star in a galaxy near you

Colourful star trails arc through the night in this wide-angle mountain and skyscape