Giant planets orbiting close to their stars were thought to boot other planets out of their star system on the way in, but ...

Alien hunters are buzzing after astronomers discovered 85 potential planets outside our solar system that could harbor life.

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

It’s a bird! It’s a plane! No, it’s an asteroid-comet hybrid called a ‘centaur’ that might not even be that. Asteroids are ...

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...

A very rare treat is about to grace Earth's night skies.

Earth spins as it orbits the Sun, and the solar system is orbiting the galactic center. So, if I go outside and look up, in ...

Such as: On this date, Jan. 1, 1801, Italian astronomer Giuseppe Piazzi discovered the asteroid/dwarf planet Ceres orbiting the sun in the asteroid belt between Mars and Jupiter. Ceres has been ...

On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between Mars and Jupiter. At the time, Ceres was considered to be a planet.

On Christmas Eve the Parker Solar Probe flew closer to the Sun than any spacecraft, orbiting 10 times closer ... but will pass Venus on the 17th-18th. Jupiter reached opposition last month ...