Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Just six light-years from the solar system — in cosmic terms, our ...

It is to Kepler that we owe the discovery that all the planets revolve around the sun in ellipses. This was the first of his three famous laws of planetary motion, which describe mathematically ...

The closest one to the sun is Mercury, then it’s Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The eight planets travel around the Sun at different speeds. These lines show us the ...

There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and ...

All the planets in the solar system orbit the sun on the same plane and in the same direction — west to east. That's called prograde motion. Mercury is constantly racing around the sun ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

The Franklin Institute's Derrick Pitts says Venus, Saturn, Jupiter and Mars will be 'easy to see at a comfortable time of observing.' ...

Since the orbital motion of our planet makes the Sun appear to move eastward relative ... Compared to Venus's revolution period in Earth days, which is around 19.44 million seconds, it turns ...