The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it. The Sun and its planets – Mercury, Venus, Earth ...

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 ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

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 ...

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

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

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 ...

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 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 ...