At the upper limits of what’s energetically possible, cosmic rays still persist. What happens if…
Category:
SCIENCE
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Our great hope is that today’s indirect, astrophysical evidence will someday lead to successful direct…
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Outer space begins just over 100 kilometers up, but what we can see extends for…
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Even in an expanding Universe, we expect both redshifted and blueshifted galaxies. But nearly every…
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Many view the development of fringe, alternative theories as a useless waste of time. But…
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Gravitational lenses arise when foreground masses and background light sources properly align. Einstein rings are…
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The VENUS survey isn’t about planets at all, but about finding multiply lensed supernovae. The…
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The seeds of cosmic structure that were planted back during the Big Bang grew into…
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Travel half the distance to your destination, and there’s always another half to go. So…
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In general relativity, matter and energy curve spacetime, which we experience as gravity. Why can’t…