Gravitational lenses arise when foreground masses and background light sources properly align. Einstein rings are…
Category:
SCIENCE
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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…
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Particles are everywhere, including particles from space that stream through the human body. Here’s how…
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Perhaps the most remarkable fact about the Universe is simply that it, and everything in…
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While ice itself is slick, slippery, and difficult to navigate across under most circumstances, skaters…
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Our Universe doesn’t just expand and cool, but the expansion itself is accelerating. Can stars…
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Earth orbits the Sun while spinning on its tilted axis, with two annual occasions marking…