The Most Unknown
What Baby Stars and Meteorites Can Tell Us About Our Solar System’s Past
Rachel Smith studies the birth of stars to better understand the origins of life on Earth, and perhaps elsewhere in the universe.
The Most Unknown
The Geomicrobiologist Searching for the Origins of Life
Penn State professor and geomicrobiologist-slash-astrobiologist Jenn Macalady is answering how we and other organisms could survive on other planets, by looking deep into Earth’s history.
These Dazzling Gemstones Are Home to Microbes
It's the first time traces of life have been found inside these precious jewels.
Signs of Alien Life on Europa Might Only Be Centimeters Under the Surface
Europa is irradiated by Jupiter’s intense magnetosphere, but you don’t have to dig far before life finds a way (theoretically).
Evidence of Organic Molecules Found in Plumes Ejected From Saturn’s Moon
Carbon-rich molecules were detected in samples collected from Enceladus’ ocean—yet another indicator that it could host microbial life.
Stop Saying 'Humans Suck' Because of Climate Change, Says Astrobiologist
Adam Frank’s new book Light of the Stars explores how the search for intelligent alien life in the universe can help humans combat climate change on Earth.
Scientists Want to Study Exoplanet Atmospheres for Signs of Alien Life
Instead of looking at individual biosignatures, a new dynamic framework suggests that studying atmospheric seasons may be the key for detecting alien life on exoplanets.
Under the Sun
One of the world's leading climate scientists has written a work of fiction about his latest blockbuster paper—on the possibility that intelligent life may have preceded humans on Earth.
A New Study Suggests There Could Have Been Intelligent Life on Earth Before Humans
Looking for aliens across deep space is great, but have we looked hard enough in our own terrestrial backyard—here on Earth?
Venus or Bust!
Researchers Think There Could Be Alien Life Floating in the Clouds of Venus
Yet another reason to get going on those Venusian cloud cities.
Pass the Salt
These Stunning Blue Alien Crystals Contain Water and Organic Molecules
Asteroids have been spitballing life juice at each other for billions of years, and we have the receipts.
Life on Other Worlds
Compound Associated With Life Found in Two Very Different Locations in Space
Why that's actually not good news for astrobiologists looking for extraterrestrial life.