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While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest. Here’s what to know about its placement, and how to best see it.

Exoplanet hunters have had an eye on Alpha Centauri, the closest star system to Earth at just four light-years away, for decades. We know that it consists of two Sun-like stars, Alpha Centauri A and ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have found the best evidence yet of a vast, young ocean beneath the icy exterior of Saturn's Death Star lookalike mini moon. The French-led team analyzed ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

This artist's concept shows what the gas giant planet that orbits the star Alpha Centauri A could look like. (R. Hurt (Caltech/IPAC) | NASA, ESA, CSA, STScI) Just 4.3 light years from Earth lies a ...