From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
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A Planet 900 Light-Years Away Has Weather So Extreme “It Feels Like Science Fiction”. It’s 70,000 km/h Winds Carry Vaporized Iron and Even Titanium
Image an alien planet where savage winds rip through the atmosphere carrying molten iron and titanium particles. Such a planet actually exists. Known as WASP-121b, this exoplanet is located 900 ...
The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.
A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...
The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...
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