Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

When was Pluto discovered? Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff, Arizona. Cold, dark and distant, it was n ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets align in the sky ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Uranus and Neptune are there too, technically, but they don't appear as 'bright planets'," NASA's Preston Dyches explained in a stargazing video guide. Stock illustration of all the solar system's ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

This may explain the strange properties of the orbits of our solar system's planets, which are not quite ... sun-like stars in the Galaxy is on the order of 10 10 and that stars are commonly ...

If everything in our solar system formed from the same solar nebula, why do the planets have different compositions? Herbert Wich Titusville, Florida To better understand why the planets have variable ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...