Imagine exploring oceans filled with alien predators or skies where life never touches the ground. Using real evolutionary principles, this speculative guide explores how life might develop on worlds ...

From the Wow! Signal and mysterious UFO footage to Europa, Enceladus, and Titan, scientists have spent decades evaluating the strongest evidence for extraterrestrial life. While many famous alien ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

On July 20, 1976, NASA’s Viking 1 lander became the first spacecraft to safely touch down on Mars. Shortly after, it beamed back our first close-up image of the surface—a drab view of pebbles strewn ...

Scientists around the world have spent decades pointing radio telescopes at the sky, hoping to catch that one signal proving we’re not alone in the universe. But now researchers at SETI are asking: ...

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From the Ryan Gosling hit “Project Hail Mary” to the psychosexual alien rom-com “Touch Me,” explore this month’s eclectic picks. By Elisabeth Vincentelli Stream it on Amazon Prime Video. Working on ...

CAMBRIDGE, Mass. (CNN/CNN NEWSOURCE/WKRC) — Scientists say a rocky planet located 49 light-years from Earth may have an atmosphere, making it one of the most promising places yet to search for signs ...

There are few genres that have reshaped our viewing habits quite like true crime. What once lived in newspaper archives and courtroom transcripts now arrives as meticulously crafted documentaries, ...

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Sitcoms about aliens adapting to life on Earth have occasionally popped across the prime-time landscape over the years, from My Favorite Martian to Mork and Mindy. But none has proved quite as furry — ...