A comet and multiple planets will be visible in the night sky tonight. There is a much shorter window to be able to see the comet which is just after sunset Pres. Trump signs executive order ...

The boiling is so intense, that the world has developed a comet-like tail stretching 350,000 miles behind it, scientists announced on Tuesday. Don't retire on this planet The planet, called WASP ...

Aside from the effects of outgassing, comet orbits are also constantly changing simply due to the competing gravitational pulls of the major planets in the solar system. While the Sun's ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...