The object appears to be older than our solar system itself.
Astronomy
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This theory could finally solve one of the biggest mysteries in cosmology.
This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another...
Astronomers believe they’ve found just the third known interstellar object in history.
The discovery itself is simple and fundamental, but the applications stretch far and wide into astrophysics and...
In just over 10 hours of test observations, the Vera C. Rubin Observatory captured millions of celestial...
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.
