Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

Heliocentric model from Nicolaus Copernicus’ De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres). Credit: Wikipedia Speculation about extraterrestrials is not all that new ...

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new ...

This video breaks down why K2-18b has become one of the most talked-about planets in the search for alien life. A team at Cambridge says its atmosphere may contain the strongest biosignature evidence ...

Scientists may have found a powerful new way to hunt for alien life — not by searching for specific molecules, but by looking for hidden patterns in how those molecules are organized. Researchers ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is just a story.

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

As an astrophysicist, my world revolves around the wonders of space and the mysteries of the universe. This means I can be a tough critic of science fiction books and films that explore these topics.

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a sprawling metal lattice, resembling petals on a 10-story-tall mechanical flower ...

A decade after audiences marveled at the Matt Damon-led survival story The Martian, a new film is bringing a novel from sci-fi author Andy Weir to the big screen. But we at Popular Mechanics wondered: ...

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