Scientists prove Einstein's theory after observing the collision of black holes.
Two of Saturn's many moons line up for a special Cassini spacecraft photo op as they strike a pose with rings against a backdrop of the blackness of space.
Galaxies smashing into each other produce mysterious phenomena that don't even look real when observed from a distance.
Photographer Navid Baraty makes captivatingly beautiful interstallar images using stuff you probably have in your own home. Including cat hair.
The nearest star beyond our own sun is 4 light-years away, but not long ago (in terms of cosmic time) a small binary star system buzzed the edge of our solar system, coming five times closer to Earth.
Ever felt a love that seemed bigger than anything you could possibly find on Earth? Wait till you see how nebulas and constellations show their softer sides.
Hubble has taken a photo of what seems to be a smiling cartoon face in the depths of space -- an effect produced by a phenomenon known as gravitational lensing.
Physicist and comedian Josh Richards is ready and willing to die on Mars. But first he has to survive a see-through, mocked-up habitat in Sydney, Australia.
Timey-wimey, wibbly-wobbly: scientists reckon satellites and dead stars could hold the key to the mystery of dark matter.
Our galaxy might be running out of fuel, but scientists say that a shipment is on the way in the form of a previously exiled part of the Milky Way.