alien life
Could We Detect Advanced Civilisations by their Industrial Pollution? Probably Not.
The hunt for aliens goes hand in hand with the hunt for habitable planets. Astronomers are on the hunt for…
Could There Be Bacteria Living on Mars Today?
Mars is often considered to be the planet most similar to the Earth. Earth however, is capable of supporting life,…
Giant Low-Frequency Scan Searches for Aliens in 2,800 Galaxies
The search for extraterrestrial intelligence (SETI) has fascinated us for decades. Now a team of researchers have used the Murchison…
Toxic Perchlorate on Mars Could Make Life More Interesting
The search for life in the Universe has fascinated humans for centuries. Mars has of course been high on the…
Testing a Probe that Could Drill into an Ice World
I remember reading about an audacious mission to endeavour to drill through the surface ice of Europa, drop in a…
The SETI Ellipse Tells Us Where to Search for Extraterrestrial Civilizations
Of all the questions that remain unanswered, the question of life in the Universe is surely the one that captures…
Want to Find Life? Compare a Planet to its Neighbors
Astrobiologists have difficulty finding a single chemical that proves conclusive life on an exoplanet. A new paper suggests that studying…
JWST Might Have Imaged a Hycean World for the First Time, With a Hydrogen-Rich Atmosphere and a Deep Planet-Wide Water Ocean
Astronomers have directed JWST to examine the atmosphere of an exoplanet called K2-18 b, which orbits a cool dwarf star…
NASA is Getting Serious About the Search for Life in the Universe
Frameworks are a valuable tool in science. They give context to sometimes abstract concepts such as “how powerful can an…
How Much Life Would Be Required to Create the Phosphine Signal on Venus?
A Biosignature Last week, an incredible announcement was made about the search for extraterrestrial life: Phosphine gas detected in the…