The Teeming Universe explores scientifically inspired alien ecosystems across radically different planets. One frozen world ...

For as long as humans have looked toward the stars, one question has remained unanswered: how did life begin? Scientists have searched for clues in Earth’s ancient rocks, oceans, and chemistry, but ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

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 ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth. By Kai James / The Conversation Published May 27, 2026 8:00 AM EDT This article was ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

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Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got stranded on earth when his alien compadres abandoned their botany mission. In ...

A meteorite that crashed into a home two years ago contains 'salty' extraterrestrial fluids that scientists believe may ...