Astronomers may have recorded the violent birth of one of the weirdest objects our Universe is capable of producing.
In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell Telephone Laboratories. But they kept getting an unpleasant hissing noise, in ...
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These 10 of the Universe’s Greatest Secrets Were Discovered… By Mistake
From hidden planets to invisible cosmic signals, some of the most important astronomical discoveries happened while scientists were chasing something else entirely.
By Kat Troche September 2025 marks ten years since the first direct detection of gravitational waves as predicted by Albert Einstein’s 1916 theory of General Relativity. These invisible ripples in […] ...
See a pair of superheavy neutron stars collide in this simulation with gravitational wave audio. "An audible tone and a visual frequency scale (at left) track the steady rise in the frequency of ...
A recent Physical Review Letters study presents a new model for quark star merger ejecta that could resolve whether these cosmic collisions generate ordinary matter or something different.
Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN have highlighted this fact, when both were first discussed on message boards and ...
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A gravitational wave observatory, like LIGO, is built with two tunnels, each approximately 2.5 miles long, arranged in an "L" shape. At the end of each tunnel, a highly polished 40 kg mirror (about 16 ...
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