DO NOT PUBLISH YET Neptune -- The Other Blue Planet in Our Solar System Archive
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21 April 2010, 01:24 PM ET
A Neptune-sized planet orbiting another star has one odd atmosphere – analysis has shown that it lacks methane, a common ingredient for many planets in our solar system and a possible signature of life.
29 March 2010, 08:03 AM ET
Cloud feature over Neptune's south pole is seen splitting in two, suggesting it could be similar to Saturn's polar vortex.
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?
08 September 2009, 08:50 AM ET
NASA released new pictures of Neptune’s freezing moon Triton, made from data taken by the Voyager 2 spacecraft on its way out of the solar system in 1989.
15 July 2009, 01:06 PM ET
Nice model of solar system evolution says migration of gas giants pushed asteroids into asteroid belt.
09 July 2009, 10:40 AM ET
It has long been known that Galileo observed Neptune, but it was thought that he discounted the object as a star.
08 July 2009, 01:33 PM ET
With some preparation, you can spot it anytime now through next week.
22 May 2009, 12:06 PM ET
Neptune is huge. But few have ever seen it. Here's your chance.
13 March 2009, 09:38 PM ET
Astronomers have discovered a planet somewhat larger and more massive than Neptune.
18 November 2008, 08:25 AM ET
The nitrogen and methane ice covering Eris could be the result of weather on the dwarf planet.
17 October 2008, 10:06 AM ET
A simulation shows how thunderstorms create jet streams on giant planets.
10 October 2008, 06:28 AM ET
Neptune is much too faint to be perceived without any optical aid.
18 August 2008, 11:01 AM ET
Astronomers have discovered a comet-like object lurking near Neptune's orbit.
31 July 2008, 06:41 AM ET
SETI invites scuba divers on an expedition to a destination of your choice.
10 July 2008, 06:34 AM ET
Could aliens be tuning into the most powerful radio transmitter on Earth?
31 December 2007, 07:00 AM ET
Our solar system may be home, but mysteries remain in its most distant corners.
18 December 2007, 06:05 AM ET
Swapping Neptune and Uranus could help explain solar system's formation.
02 November 2007, 07:11 AM ET
Neptune can be picked-up using just a good pair of binoculars.
18 September 2007, 01:17 PM ET
Neptune's warmer south pole responsible for methane hot spots.
19 July 2007, 11:59 AM ET
An extremely lopsided debris disk has been found with a thin needle shape.
30 January 2007, 06:01 AM ET
Neptune may be escorted in its orbit by thousands of asteroid-like objects, perhaps more than exist in the entire asteroid belt.
17 November 2006, 02:20 PM ET
15 June 2006, 02:05 PM ET
Three new rocky bodies have been detected in the same orbit as Neptune, bringing the total number of the gas giant's asteroid companions, or "Trojans," up to four.
17 May 2006, 01:00 PM ET
Three medium-sized planets of roughly the same mass as Neptune have been discovered around a nearby Sun-like star that contains an asteroid belt.
10 May 2006, 01:06 PM ET
Neptune's largest moon, Triton, was originally a member of a duo orbiting the Sun and was kidnapped in a close encounter with Neptune, a new model suggests.
30 December 2005, 06:47 AM ET
There is plenty to see, and provides an overview of the planets for the coming year.
30 November 2005, 12:40 PM ET
Astronomer have discovered a planet about as massive as Neptune orbiting one of the most common types of stars in the universe.
31 August 2004, 01:00 PM ET
The planets are likely gaseous or mixtures of ice and rock, but they might be barren rock worlds like Mercury.
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