5/15/2003STScI-2003-1761.Brighter Neptune Suggests a Planetary Change of Seasons
Springtime is blooming on Neptune! This might sound like an oxymoron because Neptune is the farthest and coldest of the major planets. But observations... (More)
2002
10/7/2002STScI-2002-1762.Hubble Spots an Icy World Far Beyond Pluto
NASA's Hubble Space Telescope has measured the largest object discovered in the solar system since the discovery of Pluto 72 years ago. Approximately... (More)
10/11/2001STScI-2001-3164.Scientists Track "Perfect Storm" on Mars
A pair of eagle-eyed NASA spacecraft the Mars Global Surveyor (MGS) and Hubble Space Telescope are giving amazed astronomers a ringside seat to the biggest... (More)
6/7/2001STScI-2001-1566.A Change of Seasons on Saturn
Looming like a giant flying saucer in our outer solar system, Saturn puts on a show as the planet and its magnificent ring system nod majestically over the course of its 29-year... (More)
5/17/2001STScI-2001-1467.Astronomers Puzzled over Comet LINEAR's Missing Pieces
Astronomers analyzing debris from a comet that broke apart last summer spied pieces as small as smoke-sized particles and as large as football-field-sized fragments. (More)
2000
12/14/2000STScI-2000-3868.Satellite Footprints Seen in Jupiter Aurora
In this Hubble telescope picture, a curtain of glowing gas is wrapped around Jupiter's north pole like a lasso. This curtain of light, called an aurora, is produced when high-energy... (More)
8/7/2000STScI-2000-2770.Hubble Discovers Missing Pieces of Comet Linear
To the surprise and delight of astronomers, the Hubble telescope discovered a small armada of "mini-comets" left behind from what some scientists had prematurely thought... (More)