Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of planets ...

In a rare sight, NASA has spotted a fast-moving object from another star system that is currently lurking about 4.5 au (about 416 million miles or 670 million km) from the Sun, in our solar system.

An astronomical unit (AU) is equal to the distance between Earth and the sun, 93 million miles. Technically, the comet has already entered the solar system, and was less than four AU away from ...

It's a scale model of the solar system that stretches across the Jim Gordon Boardwalk in Bell Park. "So we all know how huge the solar system is and how far the planets are," said Julie Moskalyk ...