Few astronomical discoveries have produced a nickname as irresistible as the “diamond planet.” About 41 light-years away in the constellation Cancer, 55 Cancri e is a super-Earth nearly twice Earth's diameter and about eight times its mass....
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Imagine putting the entire Solar System on a cosmic scale: the eight planets, every known moon, the asteroids, comets, dwarf planets, dust and the enormous Sun. The result would be absurdly...
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At this moment, Earth is moving in several different ways at once. It spins on its axis, circles the Sun at roughly 30 kilometers per second, and accompanies the entire Solar System on a vas...
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Space is a vacuum, so an astronaut cannot simply lift a visor and take a sniff. Yet crews returning from spacewalks have repeatedly described something remarkably close to a smell of space:...
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For generations, chemistry books could place bismuth near the end of the periodic table's stable territory. Its naturally occurring isotope, bismuth-209, showed no detectable radioactive dec...
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In 1929, while scholars were cataloguing manuscripts in Istanbul's Topkapı Palace, they encountered a fragment of an extraordinary world map. Painted in vivid colors on parchment traditional...
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In 1901, divers working an ancient shipwreck near the Greek island of Antikythera recovered statues, ceramics, glass and a badly corroded mass of bronze. The wreck had carried valuable cargo...
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Listen to some of NASA's most famous recordings from the outer Solar System and space does not sound silent at all. Jupiter whistles, crackles and roars. Saturn produces eerie rising tones....
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Technology is supposed to age quickly. Phones become obsolete, startups disappear, frameworks fall out of fashion and yesterday's revolutionary software becomes tomorrow's migration problem....
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Astronomy has a reputation for expensive telescopes, complicated star charts and distant objects visible only through professional instruments. Yet some of the sky's most memorable events re...
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