The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Most stars in the cosmos are small, cool red dwarfs, yet the only intelligent life we know orbits a relatively rare yellow ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

A light, imaginative look at how extraterrestrial observers might interpret car haulers and what these vehicles reveal about ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

When we imagine contact with extraterrestrial intelligence, we tend to picture messages: radio signals, mathematical codes, or perhaps a universal language waiting to be discovered. But what if alien ...

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA’s Jet ...

Somewhere between Tucson and New Mexico, along the sun-baked stretch of Interstate 10, a peculiar mystery awaits the curious traveler. The Thing stands as a monument to American roadside oddity, ...

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Alien: Earth’s fourth episode, “Observation,” is another aptly titled entry for the franchise’s first foray into the small screen. Showrunner Noah Hawley and friends pump the brakes on the ...