Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

When it was first discovered, YR4 had a 1-in-83 chance of striking Earth. It increased to 1-in-67, then 1-in-53, then to 1-in ...

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Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

"Pale Blue Dot" – one of the last photos taken by Voyager 1 – is still the most distant image of the Earth. Astronomer Carl ...

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From Cape Canaveral to Mission Control, these awe-inspiring spots should be on every intergalactic aficionado’s must-visit ...

Indian scientists from the Physical Research Laboratory have discovered a massive exoplanet, TOI-6038A b, 78 times larger ...