In just over 10 hours of test observations, the Vera C. Rubin Observatory captured millions of celestial...
Astronomy
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The Vera C. Rubin observatory will host a “first look” event at 11 a.m. ET on Monday,...
A new study reveals that 76% of all ordinary matter exists in the form of hot intergalactic...
The unusual astronomical skirmish offers new insight into the dynamics of such collisions.
A 600-year-old stellar event described in cryptic language finally gets a scientific ID.
Detecting this object’s unusual behavior “felt like finding a needle in a haystack.”
Shi’s Star Catalog has been notoriously difficult to date, but new research suggests astronomers drafted it centuries...
The surprisingly large world has a massive orbit—about 838 times Earth’s distance from the Sun.
Astronomers caught a brutal act of cosmic violence for the first time—one galaxy piercing another with deadly...
Peculiarities in the orbits of two brown dwarfs indicate the presence of something even more extraordinary.
