About 500 light-years away in the constellation Cygnus lives a star, which, though smaller and redder than the sun, has a planet that may look awfully familiar.
A new app from Cosmoquest puts your knowledge of Earth to the test. Continue reading →
An obsolete theory of the Earth works better than ever on Mercury, where new data reveals how much the hot little planet has shriveled since it first formed.
Japanese space station astronaut Koichi Wakata photographs a beautiful scene of the moon hanging above the Earth from orbit. Continue reading →
Want to feel insignificant? Look at this photograph.
Earth may be a nice and cozy place for life as we know it to evolve, but is it really the best place for life to thrive? Probably not, say two researchers. Continue reading →
A Silicon Valley startup is turning its technical acumen and passion for space into an innovative venture that uses a fleet of relatively inexpensive, tiny satellites to take non-stop pictures of Earth.
NASA's Kepler space telescope has discovered a veritable menagerie of alien worlds orbiting other stars, but this most recent exoplanetary find is perhaps one of the strangest.
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