Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric of space and time at the heart of Albert Einstein's theory of relativity.

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has ...

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Seeking endorsements for her new book, Chanda Prescod-Weinstein finds herself staring at fundamental questions of space, time ...

NASA has found the result of a phenomenon very rare in the galaxy. The signal was translated by the Chandra X-Ray Observatory - this is what they found out.