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Pioneer 10 Spacecraft Sends Last Signal To Earth
February 26, 2003 — After more than 30 years, it appears the venerable Pioneer 10 spacecraft has sent its last signal to Earth. Pioneer's last, very weak signal was received on Jan. 22, ... > full story -
Volcanoes On Jovian Moon Spew Salt Into Atmosphere; Discovery Explains 1970s Observation Of Sodium Above Io
January 1, 2003 — Astronomers at The Johns Hopkins University, the Observatoire de Paris, and other institutions have solved a nearly 30-year-old mystery surrounding Jupiter's moon Io, showing that volcanoes there ... > full story -
Featherweight Jupiter Moon Is Likely A Jumble Of Pieces
December 13, 2002 — NASA's Galileo spacecraft continues to deliver surprises with the discovery that Jupiter's potato-shaped inner moon, named Amalthea, appears to have a very low density, indicating it is full ... > full story -
Hubble Makes Precise Measure Of Extrasolar World's True Mass
December 5, 2002 — NASA Hubble Space Telescope's crisp view has allowed an international team of astronomers to apply a previously unproven technique (astrometry) for making a precise measurement of the mass of a ... > full story -
Jupiter-Like Planets Formed In Hundreds – Not Millions – Of Years, Study Shows
December 2, 2002 — An accepted assumption in astrophysics holds that it takes more than 1 million years for gas giant planets such as Jupiter and Saturn to form from the cosmic debris circling a young star. But new ... > full story -
Red Freckles On Europa Suggest "Lava Lamp" Action
November 11, 2002 — Reddish spots on the icy surface of Jupiter's moon Europa may indicate pockets of warmer ice rising from below. This upwelling could provide an elevator ride to the surface for material in an ... > full story -
NASA Music Out Of This World
October 25, 2002 — With scientific instruments on NASA's Voyagers, Galileo, Cassini and more than two dozen other spacecraft, University of Iowa physicist Dr. Don Gurnett has been recording waves that course ... > full story -
Colorado U. Space Team Studying Water, Ice And Potential Life On Jupiter Moon, Europa
October 25, 2002 — The oozing of glacial material in the floating ice shell on Jupiter's moon Europa has important implications for future exploration of the enigmatic moon and prospects of life in its ice-covered ... > full story -
100th Extra-Solar Planet Gives Clues To Origins Of Planets
September 23, 2002 — British astronomers, together with Australian and American colleagues, have used the 3.9m Anglo-Australian Telescope [AAT] in New South Wales, Australia to discover a new planet outside our Solar ... > full story -
25 Years Later, Voyager Mission Keeps Pushing The Space Envelope
August 19, 2002 — A quarter-century after NASA's twin Voyager spacecraft departed Earth to visit outer planets, the historic mission is flying a race against ... > full story
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