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 ...

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

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just two stars. An international team was able to determine the location and ...

On the night of July 15, a striking conjunction of the moon, Saturn, and Neptune will unfold in the eastern sky, offering ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the universe is ...

NASA has uncovered a new ‘Super Earth’ planet just 154-lightyears away that has been flashing a mysterious signal. The planet appears to be almost twice as wide as our planet, and ...

The moon, Saturn and Neptune will rise a little before midnight for those in the U.S. Heads up stargazers! The moon will rise ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the ...

Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources ...

A waning gibbous moon, by now rising late at night, will appear first, followed by the steady, golden glow of Saturn. They’ll ...