Where planets can form, they do
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US astronomers show that wherever there is room for a planet to form around a young star, it does.
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A new class of planets has been found orbiting stars besides our sun, in a possible giant leap forward in the search for Earth-like planets that might harbor life, scientists said on Tuesday.
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New infrared observations of the disks of dust and rock around young stars reveal that many planets apparently form in an environment more violent and chaotic over a longer period of
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The leading theory of how planets form is being revised because of new observations from the US Spitzer Space Telescope. The process is not as smooth and quiet as once thought, but rather the result of violent collisions between massive space rocks.
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The solid planets in our solar system are made mostly of silicates. Rock, basically. A new study shows that planets around some other stars might be made mostly of carbon instead. Deep inside such worlds, where pressures are intense, the carbon would make layers of diamonds that could be miles thick.
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Tooling up in the hunt for aliens For the first time, astronomers have measured the composition of a planet outside the solar system, in what NASA says is a key step in its quest for extraterrestrial life.â¦
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Another day, another gas giant Astronomers have found an extrasolar planet that is perfectly positioned to allow a decent analysis of its atmosphere.â¦
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These are heady times for planet hunters. During the past decade, astronomers have uncovered at least 125 confirmed planets in 98 solar systems in our corner of the Milky Way.
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Two old stars appear to be gearing up for a second generation of planet formation, a phenomenon astronomers say they have never seen before.
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Planet hunters have found two worlds roughly the mass of Neptune, each orbiting a star within 30 light-years of our solar system. The planets are likely gaseous or mixtures of ice and rock, but they might be barren rock worlds like Mercury.
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US astronomers have discovered massive new galaxies evolving in our corner of the universe. This means that galaxy-forming processes thought to have ended eons ago continue relatively nearby
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New observations of dust around young stars suggest collisions of large asteroid-like objects and fledgling planets are frequent. But that doesn&#39;t likely stop the formation
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Astronomers suspect the early Earth was a very harsh place. Temperatures were extreme, and the planet was constantly bombarded by cosmic debris. Many scientists believe that life's starting materials, or building blocks, must have been very resilient to have survived this tumultuous environment.
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A new class of planets has been  found orbiting stars besides our sun, in a possible giant leap  forward in the search for Earth-like planets that might harbor  life, scientists said on Tuesday.
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Large colonies of micro-organisms living under rocks have been discovered in the most hostile and extreme regions of the Arctic and Antarctic - giving new insights on survival of life on other planets.
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WASHINGTON - Astronomers have used a network of small telescopes to discover a planet circling a far-off star. &quot;This discovery demonstrates that even humble telescopes can make huge contributions to planet
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A newfound planet detected by a small, 4-inch-diameter telescope demonstrates that we are at the cusp of a new age of planet discovery. Soon, new worlds may be located at an accelerating pace, bringing the detection of the first Earth-sized world one step closer.