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Planetary Science

Calling for a Debate Over Pluto's Nature

David J. Eicher | Posted 07.23.2014 | Science
David J. Eicher

In 2006 the IAU "demoted" Pluto to dwarf-planet status, setting off an outcry of public disappointment, first among schoolchildren but later among all classes of astronomy enthusiasts, and even planetary scientists, who disagree with the IAU's logic.

WATCH: 'Science Guy' Has A Serious Message For Obama

Posted 12.06.2013 | Science

Bill Nye, a.k.a. "The Science Guy," has a serious message for President Obama. In the wake of the "restructuring" of NASA's Planetary Science Divis...

How to See Comet ISON This Week -- Nov. 25-Dec. 1, 2013

David J. Eicher | Posted 01.25.2014 | Science
David J. Eicher

2013-11-25-cometisondavid1125.jpg As astronomers who have been watching the comet know, however, the past few days -- and the next few days -- will not be the best ones to try to catch the comet.

How to See Comet ISON This Week -- Nov. 18-24

David J. Eicher | Posted 01.25.2014 | Science
David J. Eicher

2013-11-20-cometisondavideichler20.jpg In late November, Comet ISON moves its fastest as it flies from Virgo, through Libra and Scorpius, and then heads north into Ophiuchus.

How to See Comet ISON This Week -- Nov. 11-17

David J. Eicher | Posted 01.23.2014 | Science
David J. Eicher

2013-11-11-Davidjeichlercometison3.jpg Comet ISON (C/2012 S1), the much-anticipated visitor from the distant depths of the solar system, continues to brighten and this week should reach naked-eye visibility as seen from a dark sky, away from city lights.

How to See Comet ISON This Week -- Nov. 4-10

David J. Eicher | Posted 01.23.2014 | Science
David J. Eicher

The next few weeks will undoubtedly give us our best shot at ISON. To see it this week, you'll need to venture out in the early morning, around 4 a.m. local time, and look toward the constellation Leo.

How to See Comet ISON This Week!

David J. Eicher | Posted 01.23.2014 | Science
David J. Eicher

The next few weeks will undoubtedly give us our best shot at ISON. To see it this week, you'll need to venture out in the early morning, around 4 a.m. local time, and look toward the constellation Leo.

Comet ISON and the Meaning of Life

David J. Eicher | Posted 01.23.2014 | Science
David J. Eicher

The science world is turning its attention to the skies as a comet closes in that may be dramatically bright beginning next month.

Comet ISON: The Real Story

David J. Eicher | Posted 10.29.2013 | Science
David J. Eicher

Ever since astronomers discovered Comet ISON a year ago, bloggers, science writers, and soothsayers have jumped on the bandwagon, proclaiming the comet will be "as bright as the Full Moon" or, more recently, a "complete and utter dud."

WATCH: 'Snowboarding' On Mars?

The Huffington Post | Posted 06.12.2013 | Science

Mysterious markings have been spotted on Martian sand dunes, but where did they come from? Planetary scientists now say that blocks of dry ice probabl...

Strange 'Polluted' Stars Discovered By Space Telescope

Posted 05.14.2013 | Science

By: Megan Gannon Published: 05/14/2013 11:42 AM EDT on SPACE.com Scientists using the Hubble Space Telescope have discovered two dead stars 150 ...

Simulation Paints New Picture Of Mars, Jupiter Births

Posted 05.01.2013 | Science

By: Elizabeth Howell Published: 05/01/2013 07:06 AM EDT on SPACE.com The violent space rock collisions that gave birth to Mars appear to be surpri...

WATCH: Stupendous Storm Churns At Planet's North Pole

The Huffington Post | Hunter Stuart | Posted 04.30.2013 | Science

On Monday, NASA released stunning photos and video of a massive storm that researchers believe has been swirling at high speed around Saturn's north p...

Bold Balloon Mission Targets 'Comet Of Century'

Posted 04.27.2013 | Science

By: Leonard David Published: 04/26/2013 04:12 PM EDT on SPACE.com Scientists are working to loft science gear by balloon to observe the fast-appro...

DISCOVERED: Most Earth-Like Alien Planet Yet

Posted 04.18.2013 | Science

By: Mike Wall Published: 04/18/2013 02:55 PM EDT on SPACE.com NASA's Kepler space telescope has discovered three exoplanets that may be capable of...

WOW: Huge Martian Mountain Spotlighted In New Rover Photos

Posted 03.18.2013 | Science

New photos taken by NASA's Curiosity rover give an awe-inspiring look at Aeolis Mons, a.k.a. Mount Sharp, which rises 18,000 feet up from the Red Plan...

Odd Space Objects Could Be New Type Of Planet

| Posted 03.15.2013 | Science

By Davide Castelvecchi and Nature magazine Mysterious dense bodies outside the Solar System could be the remnants of ice giants similar to Neptune t...

Strange Glow On Saturn's Moon Puzzles Scientists

| Posted 03.14.2013 | Science

By Sid Perkins A fluorescent glow high in the atmosphere of Titan, Saturn's largest moon, signifies the presence of a gas that astronomers have yet ...

Probe Provides Historic Map Of Planet's Surface

Posted 03.06.2013 | Science

By: Clara Moskowitz Published: 03/06/2013 09:47 AM EST on SPACE.com The surface of the planet Mercury has been completely mapped for the first ti...

WOW: Tiny Venus Peeks Through Planet's Rings

Posted 03.05.2013 | Science

By: Mike Wall Published: 03/04/2013 02:55 PM EST on SPACE.com Venus gleams over Saturn's enormous shoulder in two stunning new photos captured by ...

'Curiosity' Team Finds Workaround For Glitch That Halted Rover

Posted 03.01.2013 | Science

NASA's Curiosity rover made it all the way to Mars without major setbacks, but now a computer glitch has stopped the robotic vehicle in its tracks. ...

LOOK: First-Ever Photo Of Alien Planet Birth

Posted 02.28.2013 | Science

By: Clara Moskowitz Published: 02/28/2013 10:30 AM EST on SPACE.com Astronomers have captured what may be the first-ever direct photograph of an...

WOW: Mercury Like You've Never Seen It Before

Posted 02.24.2013 | Science

By: Miriam Kramer Published: 02/23/2013 06:35 AM EST on SPACE.com A new video by a NASA spacecraft orbiting Mercury is showing the closest planet ...

Front-Runner Emerges In Moon-Naming Vote

Reuters | Posted 04.23.2013 | Science

(Reuters) - "Star Trek" star William Shatner and tens of thousands of the show's fans are leading a charge to name one of Pluto's newly discovered moo...

Quit Calling Them 'Earth-Like' Planets

| Posted 12.26.2012 | Science

By Caleb A. Scharf This year has been a spectacular one for exoplanets. New discoveries and new insights have truly pushed the gateway to other world...