Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Stars whizzing by our solar system could cause more havoc than astronomers previously thought, from sending Pluto’s orbit haywire to forcing Mercury to fly into the sun – or even catastrophically ...