After thousands of years, we’re getting more consistent age estimates.
Their work builds upon Einstein’s general theory of relativity.
Louis Armstrong and Albert Einstein showed that hours, minutes, and seconds can be stretched by perception and experience.
You’d be hard pressed to find a big enough scale, but it’s basically the same idea.
But we're not quite ready to trash general relativity.
Virgo will help LIGO locate colossal cosmic collisions.
Our 10 favorite images of the week
How the late famed physicist became an icon on your phone
Hawking radiation observed in a homemade black hole analogue
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