Explore the relative sizes of the planets in our Solar System and discover their actual distances from the Sun in this ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

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 ...