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 ...

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

The Gospel, according to Luke, records that on the night of Jesus’ birth an angel of the Lord appeared to shepherds keeping watch over their flocks in a field outside the Judean village of ...

During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

One of the largest exoplanets to be found orbiting a relatively low-mass star has been discovered, thanks to the way the planet's gravity ... light-years away from Earth, clocks in at 20.9 times ...