Russian cargo rocket ferrying three tonnes of food and fuel to the International Space Station broke down about five minutes after it blasted off, completing its flight by arcing into a Siberian forest rather than achieving orbit.
If more than one universe exist they may collide with each other and leave behind signs in cosmic microwave background radiation, explorers say.
Is our universe just one of the many existing universe?
A huge arrow shaped cloud was detected at Titan's equator by NASA's Cassini spacecraft in September 2010, with each side running 280 miles long. The cause of cloud formation in such a shape in Titan may be known, study suggests.