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DO NOT PUBLISH YET - Pluto -- the Dwarf Planet Archive
09 November 2010, 01:15 PM ET
The dwarf planet Eris, once thought to be the largest body in the outer solar system, may actually be smaller than Pluto, observations suggest.
27 October 2010, 11:20 PM ET
The dwarf planet Eris has been found to have a surface much like Pluto's and still harbors surprises five years after its discovery.
07 October 2010, 07:51 AM ET
The frozen surface of the dwarf planet Eris looks a lot like that of its smaller neighbor Pluto, new research has found.
16 June 2010, 07:04 AM ET
Stargazers can see the two brightest dwarf planets, formerly the asteroid Ceres and the planet Pluto, in June.
29 April 2010, 12:33 PM ET
Mysterious bright and dark spots mottling the surface of Pluto could be tar and frost, scientists say.
18 April 2010, 04:16 AM ET
Rocket-launch industry executives, engineers and related enthusiasts at the 17th annual meeting of the Space Access Society appear ready to depend on commercial services.
27 February 2010, 06:08 AM ET
Jupiter, the largest planet in the solar system, is about to welcome a robotic visitor in the form of NASA’s New Horizons probe on Wednesday.
18 February 2010, 08:30 AM ET
Pluto was discovered 80 years ago today, and astronomers are still arguing over what it is.
16 February 2010, 10:22 AM ET
SDO on it's way, Falcon launch countdown, the colors of Pluto, head-on asteriod collision and cool images of craters on mars and the Orion Nebula.
04 February 2010, 01:49 PM ET
The Hubble Space Telescope has returned the most detailed images of Pluto ever taken.
04 February 2010, 11:12 AM ET
See the dwarf planet Pluto turn in this video based on images taken by the Hubble Space Telescope. They are most-detailed yet views of Pluto to date.
30 December 2009, 05:31 PM ET
New Horizons is closer to Pluto than it is to Earth.
23 December 2009, 12:22 AM ET
From snowfalls on Mars, to the polar craters of the moon, take a tour of the solar system’s chilliest spots.
28 September 2009, 08:55 AM ET
Water is all over the solar system and the rest of the galaxy. What's it mean to the search for life?
18 September 2009, 11:32 AM ET
What Hubble and its handlers will be observing over the coming year.
19 March 2009, 08:09 AM ET
Thousands of new exoplanets may need a new naming system.
16 March 2009, 10:06 AM ET
Pluto's status nowadays as a so-called plutoid and former planet may be official in the latest textbooks, but someone forgot to tell the astronomers.
04 March 2009, 05:05 PM ET
An in-depth study of Pluto’s atmosphere reveals it is warmer, and contains more methane, than previously thought.
29 October 2008, 04:24 PM ET
Nine mementos are riding to Pluto aboard NASA's New Horizons spacecraft.
17 October 2008, 06:58 AM ET
The next three weeks will present an excellent opportunity to view Mercury.
10 October 2008, 06:28 AM ET
Neptune is much too faint to be perceived without any optical aid.
19 September 2008, 04:18 PM ET
The International Astronomical Union (IAU) announced the name of the solar system's fifth dwarf planet.
19 August 2008, 06:45 AM ET
The word "planet" has meant many different things over the millennia and even still its definition is evolving.
15 August 2008, 09:10 AM ET
Two planetary scientists duke it out over Pluto.
05 August 2008, 06:48 AM ET
Scientists will convene this month to figure out what makes an object a planet.
31 July 2008, 06:41 AM ET
SETI invites scuba divers on an expedition to a destination of your choice.
28 July 2008, 07:00 AM ET
With planets, dwarf planets and plutoids, the solar system's getting crowded.
20 July 2008, 02:51 PM ET
A dwarf planet beyond Neptune has been renamed Makemake.
19 June 2008, 10:38 AM ET
Pluto went from planet to dwarf planet and the latest name, plutoid.
18 June 2008, 10:21 AM ET
Its existence would satisfy the long-held hopes and hypothesis for a "Planet X" envisioned by scientists and sci-fi buffs alike.
12 June 2008, 03:38 PM ET
Disgruntled scientists renewed their vows this week to call Pluto a planet despite an international governing body's latest ruling to reclassify the tiny world.
11 June 2008, 02:36 PM ET
The Pluto-bound New Horizons spacecraft crossed the orbit of Saturn on June 8.
11 June 2008, 10:30 AM ET
The IAU decides on a name for Pluto and other round objects way out there.
29 November 2007, 06:39 AM ET
Thoughtful astronomy books abound for the holiday gift-giving season.
26 November 2007, 06:44 AM ET
Colossal impacts may have bowled over remote, frozen moons
12 October 2007, 01:48 PM ET
New images bring Pluto and its moons into sharper view.