The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and ...

But new research from the University of Chicago is urging caution. After analyzing data from multiple observations of the ...

When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant ...

But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

Last month, astronomers claimed to have found the strongest evidence ever of alien life on a distant exoplanet named K2-18 b.

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

The earliest cells harnessed energy through geochemical reactions, a process that LMU researchers have now successfully ...

When looking for alien life, scientists found something odd — two bizarre pulses coming from a distant constellation.

A retired researcher has detected an unusual pulse in the light of nearby stars while looking for signs of extraterrestrial ...

Scientists eye LHS 1140 b as a top candidate for habitability, with signs of a warm ocean and a possible atmosphere just 41 ...

Carolyn Freissinet, who studies Martian samples collected by the Curiosity rover, said recent claims of alien life simply don ...