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Astronomers Find 18 New Planets: Discovery Is the Largest Collection of Confirmed Planets Around Stars More Massive Than the Sun
December 2, 2011 — Discoveries of new planets just keep coming and coming. A team of astronomers has found 18 Jupiter-like planets in orbit around massive stars. The discoveries further constrain theories of planet ... > full story -
Astronomers Discover New Exoplanet Similar in Size to Earth; Planet Kepler-21b Found Using Space and Ground-Based Observations
November 30, 2011 — The NASA Kepler Mission is designed to survey a portion of our region of the Milky Way Galaxy to discover Earth-size planets in or near the "habitable zone," the region in a planetary system where ... > full story -
First System Developed for Assessing the Odds of Life on Other Worlds
November 21, 2011 — A modeling expert has proposed a new system for classifying exoplanets using two different indices -- an Earth Similarity Index for categorizing a planet's more earth-like features and a Planetary ... > full story -
Giant Planet Ejected from the Solar System?
November 10, 2011 — Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to a new ... > full story -
City Lights Could Reveal E.T. Civilization
November 3, 2011 — In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. Astronomers suggest a new technique for finding aliens: Look for their city ... > full story -
Three New Planets and a Mystery Object Discovered Outside Our Solar System
October 27, 2011 — Three planets -- each orbiting its own giant, dying star -- have now been discovered by a team led by Alexander Wolszczan, the discoverer of the first planets ever found outside our solar system. One ... > full story -
Faraway Eris Is Pluto's Twin
October 26, 2011 — Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope at the ... > full story -
Nearby Planet-Forming Disk Holds Water for Thousands of Oceans
October 20, 2011 — For the first time, astronomers have detected around a burgeoning solar system a sprawling cloud of water vapor that's cold enough to form comets, which could eventually deliver oceans to dry ... > full story -
Spiral Arms Hint at Presence of Planets: High Resolution Image of Young Star With Circumstellar Disks Verifies Predictions
October 19, 2011 — A new image of the disk of gas and dust around a sun-like star has spiral-arm-like structures. These features may provide clues to the presence of embedded but as-yet-unseen ... > full story -
Planet-Sized Object as Cool as Earth Revealed in Record-Breaking Photo
October 19, 2011 — Scientists are presenting the photo of a nearby star and its orbiting companion -- whose temperature is like a hot summer day in Arizona. The planet-like companion is the coldest object ever directly ... > full story
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