Pluto
New Horizon’s First View of Pluto
Take a look at this photograph. See Pluto? It's that little orange speck. This photograph was taken by the Pluto-bound…
Podcast: Pluto’s Planetary Identity Crisis
Pluto. It's a planet, then it's not. This week we review Pluto's history, from discovery to demotion by the International…
New Horizons’ Telescope Sees First Light
Although New Horizons is still more than 9 years away from reaching Pluto, it's ready to do some science along…
Pluto’s Out of the Planet Club
Last year we had 9 planets. Recently we were informed it would grow to 12. Now we've only got 8.…
Officials Propose 12 Planets in the Solar System
The International Astronomical Union, currently meeting in Prague, has announced a proposal that would boost the number of planets in…
Pluto’s New Moons are Named Nix and Hydra
The International Astronomical Union approved new names for Pluto's recently discovered tiny moons. Previously designated S/2005 P 1 and 2,…
Pluto’s Planethood Will Be Decided Shortly
Pluto has been considered a planet since its discovery, but this position has come under threat with the discovery of…
Fast Moving New Horizons Tracks an Asteroid
Still a decade away from its final meeting with Pluto, New Horizons tested out its instruments on a relatively nearby…
Hubble Finds Xena’s Only a Little Bigger Than Pluto
An artist's illustration of Xena with its moon. Image credit: NASA Click to enlarge The powerful Hubble Space Telescope has…