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The first total lunar eclipse in two years will happen at the same time as the Moon is closest to Ea...
The researchers said the black hole is roughly three times the mass of our sun, testing the lower li...
Pristine, in astronomical terms, describes a comet that has never passed close enough to a star to b...
There are two well-known sizes of black hole -- at one end, so-called stellar-class ones which are t...
The autonomously guided procedure was in fact completed more than 11 minutes earlier, the length of ...
Researchers said on Thursday that new observations of the Cygnus X-1 black hole, orbiting in a stell...
That's the premise of a new book by a top astronomer, who argues that the simplest and best expl...
The evening sky over the Northern Hemisphere treated stargazers to a once-in-a-lifetime illusion on ...
The celebrated Arecibo Observatory telescope in Puerto Rico, which once starred in a James Bond...
The renowned Arecibo telescope in Puerto Rico will be dismantled after 57 years of service due to th...