University of Washington researchers have published a 5-billion-year computational simulation of Earth without life, ...

What would our atmosphere look like if there were no life on Earth?

What can a lifeless Earth teach scientists about finding life beyond Earth? This is what a recent study published in The ...

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet from ...

LOS ANGELES (AP) — What was once considered fringe or conspiratorial has in recent months popped up everywhere from the White House to the Catholic Church, as public fascination with unidentified ...

Everyone has probably looked up at the night sky and wondered, 'Is there someone out there somewhere in this universe?' It's ...

As UFOs Go Mainstream, the Jury Is Out on What the Existence of Alien Life Might Mean for Religion LOS ANGELES (AP) — In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences ...