Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

NASA's Voyager 1 spacecraft took the first family portrait of the solar system! Voyager 1 was on its way toward interstellar space after completing its grand tour of the solar system at the time. Carl ...