Science

Why is BepiColombo back?

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Messenger’s iridescent Mercury.

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A Puzzling Geometry Conundrum

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A Puzzling Geometry Conundrum

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Compelling New Evidence for a Middleweight Black Hole

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Artist’s illustration of a tidal disruption event, in which a black hole tears apart a passing star and lights up as it accretes the...

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WFIRST Will Use Warped Space-time to Help Find Exoplanets

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WFIRST will make its microlensing observations in the direction of the center of the Milky Way galaxy. The...

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Uncertain Climate Future Could Disrupt Energy Systems

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Climate variability could create a gap between total energy...

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Hubble finds best evidence for elusive mid-size black hole

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Intermediate-mass black hole with torn-apart star (artist's impression).

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Electron-eating neon causes star to collapse

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Figure 1: An artist’s impression shows how an imaginary Neon footballfish (having Neon-Sign) eats away at the...

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Medium Monster, Big Mystery

When you pick out a new shirt in the store, you must first find your size: small, medium, or large. Did you know that the dark monsters of the Universe, black holes, also come in different sizes?

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