Planets

01/14/03 Three New Moons Found Around Neptune!
1/03/03 Io is a Salty Moon!
12/30/02 The Youngest Crater on the Moon!
12/18/02 The Odyssey Spacecraft Brings News from Mars!
12/11/02 A Jupiter moon that has more holes than Swiss cheese!
09/25/02 More than 100 planets orbit distant stars!
07/02/02 Newly Discovered Martian Lakes and Canyon!
06/18/02 An Exoplanet that Looks Like Jupiter!
04/24/02 Planetary Alignment 2002
04/12/02 Missions Possible!
01/28/02 Galileo Says Goodbye to Io
01/04/02 Something Old, Something New...
12/20/01 For the Holidays...
11/28/01 Hubble Detects the First Extrasolar Planetary Atmosphere!
11/21/01 Mars Odyssey Update
09/14/01 National Day of Prayer and Remembrance
09/12/01 Condolences in the Midst of Tragedy
09/05/01 A Revealing Look at Callisto
08/08/01 The Largest Valley System in the Solar System
07/20/01 President Bush Marks the 25th Anniversary of Viking's Visit to Mars
06/18/01 Scouting Mars
05/22/01 Galileo - Still Earning Frequent Flyer Miles!
05/11/01 Mars Global Surveyor Still Going Strong!
04/19/01 Mars Exploration Takes on a Whole New Look This Spring
01/26/01 Is There a New Planet? (prompted by users' questions)
01/22/01 Be A Clickworker - Help Find And Identify Craters on Mars! (leaves site...)
01/19/01 Saturn Holds Title for Most Moons! (Updated)

Last modified January 14, 2003 by Lisa Gardiner.

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Science, Evolution, and Creationism

How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more

A Jupiter moon that has more holes than Swiss cheese!

Amalthea, a small reddish moon of Jupiter, is not made of Swiss cheese, but it does seem to be full of holes making its density surprisingly low according to new information from the Galileo spacecraft....more

Newly Discovered Martian Lakes and Canyon!

Scientists have found lakes and a river in the highlands of Mars. They don't contain any water, but they may show that the cold, dry planet once had a very different environment where liquid water flowed...more

An Exoplanet that Looks Like Jupiter!

A team of astronomers, who have been peering into the skies for many years, announced that they have found 13 planets outside our solar system called exoplanets. This brings the total number of known exoplanets...more

Planetary Alignment 2002

In late April through mid-May 2002, all five naked-eye planets are visible at the same time in the night sky! This is includes Mercury which is generally very hard to see. You won't want to miss this!...more

Missions Possible!

The servicing mission to the Hubble Space Telescope in early March was a great success. The Telescope has been declared healthy and fit...and is better than ever! Though instruments will be tested for...more

Hubble Detects the First Extrasolar Planetary Atmosphere!

You probably know there are nine planets in our own solar system...but did you know that we know of 76 planets that are outside our own solar system? These planets orbit other stars and are called extrasolar...more

Mars Odyssey

The Mars Odyssey was launched April 7, 2001, from Florida. After a six-month, 285 million-mile journey, the Odyssey arrived at Mars on October 24, 2001. The Odyssey is in its aerobraking phase right now....more

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The Spring 2011 issue of The Earth Scientist is focused on modernizing seismology education. Thanks to IRIS, you can download this issue for free as a pdf. Print copies are available in our online store.

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