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 ...
WASHINGTON (Reuters) -In addition to providing a trove of information about the early universe, the James Webb Space Telescope since its 2021 launch has obtained valuable data on various already-known ...
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 ...
Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...
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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