Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.
The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...
Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...
A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...
A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...
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We Could Seed Alien Life Elsewhere in the Universe—But We’ll Never Undo the Devastating Consequences
Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...
Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...
This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...
From river giants to land-dwelling beasts, these are the biggest creatures walking, swimming and flying across our planet ...
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