An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.
The JUICE spacecraft captured its first detailed glimpse of interstellar comet 3I/ATLAS, revealing a glowing coma and sweeping tail.
Discover the fascinating world of hydroxyl megamasers, powerful cosmic lasers revealing secrets of distant galaxies and the universe's evolution.
Using gravitational waves as a measure of the universe's rate of expansion could solve the biggest headache in physics, the ...
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