Even though no human has stepped foot on the Moon’s surface in 50 years, the…
Category:
SCIENCE
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Most massive galaxies are spiral or elliptical shaped. But peculiar galaxies showcase the beautiful violence…
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Early on, the Universe needed near-perfect flatness, or atoms, stars, and galaxies couldn’t form. What…
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We have two descriptions of the Universe that work perfectly well: General Relativity and quantum…
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No matter what physical system we consider, nature always obeys the same fundamental laws. Must…
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The combination of charge conjugation, parity, and time-reversal symmetry is known as CPT. And it…
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Over billions of years, fewer stars form, galaxies mutually recede, and the Universe becomes ever…
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Nothing lives forever, at least, not in the known Universe. But relativity allows us to…
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Resembling a cosmic brain, the exposed cranium nebula instead shows a dying, massive star, as…
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In traveling through the expanding Universe, particles slow down while light and gravitational waves redshift.…