G3 may be hard to see due to weather patterns and the California wildfires, said Tim Brothers of the Massachusetts Institute ...

Read more: Full Moons Explained, From Blue Moons to Supermoons to Lunar Phases You won't have to wait long for all six planets to be in the sky. They'll be there as soon as the sun sets.

The planets Venus, Saturn, Jupiter, and Mars will be most visible one to two hours after sunset, without a telescope.

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA's Chandra X ...

Asteroids are rocky objects left over from the early days of our solar system, orbiting the Sun much like planets. While most ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

Astrophysicists have imaged a large number of exocomet belts around nearby stars, and the tiny pebbles within them. The crystal-clear images show light being emitted from these millimeter-sized ...