In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion on Earth.But ...

There are an estimated 8.7 million eukaryotic species on the planet. These are organisms whose cells contain a nucleus and other membrane-bound organelles. Although eukaryotes include the familiar ...

News stories about the likely existence of extraterrestrial life, and our chances of detecting it, tend to be positive. We are often told that we might discover it any time now. Finding life beyond ...

What kinds of life could exist in Saturn’s largest moon, Titan? This is what a recent study published in The Planetary Science Journal hopes to address as an international team of researchers ...

The redemption of Viking: Did the 50-year-old mission to Mars find life or not? How NASA’s 1975 mission to Mars led to decades of scientific controversy and confusion over the existence of life on ...

In a new book, astrophysicist Mario Livio describes how the existence of life on Earth can be traced back to an RNA-based “protocell.” The following is an excerpt from Is Earth Exceptional?: The Quest ...