A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...
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Space.com on MSN4 rocky exoplanets found around Barnard's Star, one of the sun's nearest neighborsThe planets are all too hot for life as we know it, but astronomers haven’t given up searching for more planets in Barnard's ...
A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper Belt, is helping scientists nail down their respective masses, a new study reports. The Kuiper ...
Scientists already know that a planet must be in the “Goldilocks zone”—not too hot and not too cold—to have liquid water, a ...
TRAPPIST-1 is a red dwarf star about 40.7 light-years away from Earth. It is of particular interest because it has seven ...
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