Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...
The Japanese Aerospace Exploration Agency ( JAXA) declared its Akatsuki spacecraft dead on Tuesday (Oct. 28), more than a ...
Today marks a celestial moment of truth. As the interstellar comet 3I/ATLAS reaches its closest point to the Sun, a controversial theory faces its final test: is it just a comet, or an alien ...
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