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From the archives: ‘Do beavers rule on Mars?’
In the May 1930 issue of Popular Science, Thomas Elway proposed a very imaginative take on life on Mars.
Why astronomers are blasting Earth’s location to potential intelligent aliens
Despite warnings from scientists like Stephen Hawking, some astronomers are sending informative signals deep into space.
Happy Mars-iversary, Perseverance
A look back on some of the rover’s best moments over this last Earth year.
There is no Planet B
The James Webb Space Telescope fuels our obsession with finding another Earth, but that misses the point.
UFO conspiracies can be more dangerous than you think
Hardcore UFO enthusiasts share troubling elements with other conspiracy communities.
The sky is full of potential UFOs—here’s why
The technology that surveys our skies isn't designed to spot and identify everything that flies.
5 explanations for 144 mysterious flying objects in the government UFO report
"We will go wherever the data takes us."
Aliens could be talking to us right now. This scientist is listening.
Sofia Sheikh’s network is investigating more than a million stars for signs of extraterrestrial life.
The Milky Way could have dozens of alien civilizations capable of contacting us
A pair of researchers has forecasted 36 civilizations, to be exact.
If life exists on Titan, it’s even weirder than we thought
Any microbes may have to forego membranes, or live underground.
