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Comets Throw Light On Solar System's Beginnings
September 8, 2008 — A new picture of the composition of comets is emerging. The early solar system is commonly believed to have been formed from a cold outer region and a hot inner region, which did not exchange ... > full story -
Astronomers Discover Missing Link For Origin Of Comets
September 4, 2008 — Astronomers have found an unusual object whose backward and tilted orbit around the Sun may clarify the origins of certain comets. In the first discovery of its kind, researchers from Canada, France ... > full story -
Astronomers Find Unusual New Denizen Of The Solar System
August 19, 2008 — A "minor planet" with the prosaic name 2006 SQ372 is just over two billion miles from Earth, a bit closer than the planet Neptune. But this lump of ice and rock is beginning the return leg of a ... > full story -
Voyager Squashes View Of Solar System
July 3, 2008 — Scientists using data from NASA's Voyager 2 spacecraft have observed the bubble of solar wind surrounding the solar system is not round, but has a squashed shape, according to recent data published ... > full story -
Trio Of Super-Earths: Harvest Of Low-Mass Exoplanets Discovered With HARPS
June 16, 2008 — European astronomers have announced a remarkable breakthrough in the field of extra-solar planets. Using the HARPS instrument at the ESO La Silla Observatory, they have found a triple system of ... > full story -
Hunt For Superearth Planets Underway
June 4, 2008 — NASA's EPOXI mission, which uses the Deep Impact spacecraft, has begun its search for "super Earth" ... > full story -
Physicist Reads Solar System's History In Grains Of Comet Dust
January 3, 2008 — Four years ago, NASA's Stardust spacecraft chased down a comet and collected grains of dust blowing off its nucleus. When the spacecraft Comet Wild-2 returned, comet dust was shipped to scientists ... > full story -
Solving Solar System Quandaries Is Simple: Just Flip-Flop The Position Of Uranus And Neptune
December 11, 2007 — The planets in our solar system weren't always in the order they are today. Four billion years ago, early in the solar system's evolution, Uranus and Neptune switched places, according to new work by ... > full story -
Astronomers Discover Record Fifth Planet Around Nearby Star 55 Cancri
November 6, 2007 — A record-breaking fifth planet has been discovered around 55 Cancri, a yellowish star 41 lightyears from Earth and now the only known star apart from the Sun with 5 planets. The discovery implies ... > full story -
Dwarf Galaxies Need Dark Matter Too, Astronomers Say
October 25, 2007 — Stars in dwarf spheroidal galaxies behave in a way that suggests the galaxies are utterly dominated by dark matter, astronomers have found. Astronomers measured the velocity of 6,804 stars in seven ... > full story
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