Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Saturn, the jewel of our solar system, has captivated the imagination of space enthusiasts and scientists alike for centuries. Thanks to NASA's Cassini spacecraft, we now have the privilege of ...

Early birds can catch our satellite just 3° from two giant planets in Pisces: lovely ringed Saturn and far distant Neptune.