The International Astronomical Union (IAU) has spoken and christened Pluto's newest and tiniest moons Kerberos and Styx. Maybe you cast a vote in the informal Pluto moon naming contest in February and ...

The IAU is pleased to announce that today it has officially recognised the names Kerberos and Styx for the fourth and fifth moons of Pluto respectively (formerly known as P4 and P5). These names were ...

Back in the 1980’s, a now-defunct magazine called Science Digest held a contest to name Planet X — the still-undiscovered world that astronomers believed might lie out beyond Pluto. One of the best ...

This morning at 9:00 am PT, the SETI Institute will announce the new names of Pluto’s smallest known moons. “Vulcan” and “Cerberus” were the public’s choices earlier this year, following a ...

The names Nix and Hydra have been approved for the two small satellites of Pluto discovered in May 2005. The International Astronomical Union (IAU), the internationally recognized authority for ...

Recent images taken by the Hubble Space Telescope show that Pluto?s three moons are the same color, lending support to the theory that they were formed by a single, giant collision 4.6 billion years ...

Astronomers announced a contest Monday to name the two itty-bitty moons of Pluto discovered over the past two years. Pluto is the Roman equivalent of the Greek's Hades, lord of the underworld, and its ...

CAPE CANAVERAL, Fla. (AP) — Want to name Pluto's two tiniest moons? Then you'll need to dig deep into mythology. Astronomers announced a contest Monday to name the two itty-bitty moons of Pluto ...

Astronomers recently discovered two previously unknown moons orbiting Pluto, bringing its total up to five. How this supposed non-planet can have so many moons is beyond me, but whatever. Anyway, the ...