The search is on for extraterrestrial life on worlds like Enceladus

It appears to have the ingredients ... ever detected life beyond Earth. But scientists agree that Enceladus is a very promising place to look for life. So, how do we go about looking? Read More

Scientists role-played Earth as a distant alien world. Here’s why

A team of scientists recently analyzed Earth as if it were a distant exoplanet. The experiment was part of the LIFE project, which aims to search for alien life beyond our solar system. Read More

Purple Planets, Not Green Ones, May Be Key To The Search For Alien Life

The search for alien life has gotten a bit more interesting thanks to new research on the possible existence of purple bacteria on exoplanets. Read More

‘The announcement we’ve found alien life could be just a couple of years away’

Generally, when I’m on a plane, if I tell somebody that I search for life on planets around other stars, I don’t get to sleep,” says Lisa Kaltenegger, with a laugh. “It’s always a careful, curated ... Read More

Life probably exists beyond Earth. So how do we find it?

On Earth, plants and certain bacteria produce oxygen as a by-product of ... million to look for life in the universe, including $100 million specifically to search for alien civilizations. Read More

Alien planets might teem with purple — yes, purple — life

"Stop just looking at the green ... purple-pigmented alien life could outcompete them, and come to dominate. "It might be that Earth was purple." It's even possible that such purple bacteria ... Read More

Saturn’s ocean moon Enceladus appears to have 'ingredients' to support life: Report

“Just like Earth’s oceans ... icy shell is a vast hidden ocean that has many of the ingredients necessary to host primitive alien life. Read More

Alien Life May Not Be the Color We Know It

If you were asked to imagine an alien planet, it would be reasonable to imagine a green earth-like ... Saturn's moon But why is it important to know what colors extraterrestrial life might be ... Read More

Sorry, little green men: Alien life might actually be purple

These microbes may have dominated Earth early on in our planet's history ... conditions for photosynthesis." The current search for alien life is biased toward looking for green pigments ... Read More

Earth Science News

To Accelerate Biosphere Science, Reconnect Three Scientific Cultures Apr. 22, 2024 — Researchers who study Earth's biosphere tend to operate from one of three scientific cultures, each with ... Read More