Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures ...

Exploring the quest for alien life through Bayesian analysis, emphasizing the importance of asking the right questions in ...

For decades, scientists believed water was the essential cradle for life. But new research suggests life’s building blocks ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

A new analysis of exoplanets has shown interstellar contamination from nearby stars could change where to search for ...

NASA has tasked a University of Massachusetts Amherst microbiologist who studies extremophiles with figuring out what aliens ...

One of humanity's most incessant searches in recent times is for evidence of extraterrestrial life, or, in other words, the ...

With a $621,000 award from NASA, University of Massachusetts Amherst microbiologist James Holden will dedicate the next three years to “predicting” the nature of life on Europa.

Alien life might not be based on carbon, which forms the backbone of all life’s essential molecules – at least here on Earth. It might not even need a planet to survive.

When we turn to "complex" extraterrestrial life or "intelligent" aliens, our results were 67.4% agreement, and 58.2% agreement, respectively for astrobiologists and other scientists.

Find out what scientists have discovered about K2-18b and why it’s one of the most promising exoplanets in the search for alien life.

Scientists find "strongest evidence yet" of life in space 01:04. Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our solar ...