Astrobiology
Mars Might Have Been Covered in Lakes in the Ancient Past
New research by an international team of scientists indicates that Mars may have had far more ancient lakes on its…
Perseverance Has Collected Samples from One of the Best Places to Search for Ancient Life on Mars
Scientists with NASA's Perseverance Mars rover said today that the rover has collected several "tantalizing" organic rock samples from an…
Alien Artifacts Could Be Hidden Across the Solar System. Here’s how we Could Search for Them.
Do aliens exist? Almost certainly. The universe is vast and ancient, and our corner of it is not particularly special.…
Tidal Heating Could Make Exomoons Much More Habitable (and Detectable)
A new study shows how the study of tidal heating in exomoons could greatly expand the search for life in…
Here are the 7 Best Places to Search for Life in the Solar System
If humanity is ever going to find life on another planet in the solar system, it’s probably best to know…
What is the Kardashev Scale?
In 1961, Russian-Soviet astrophysicist Nikolai Kardashev published a paper where he introduced the Kardashev Scale, a means of classifying extraterrestrial…
How to Search for Life as we Don’t Know it
A NASA-funded study by a team from the University of Arizona has identified possible tools for identifying life on other…
Does the Entire Planet Have a Mind of its Own?
What is humanity? Do our minds set us apart from the rest of nature and from the rest of Earth?…
Rocky Planets Might Need to be the Right age to Support Life
In a new study, a team of Earth scientists shows how scientists could look for signs of a carbon-silicate cycle…
How to Prevent our Spacecraft From Contaminating Mars
A new report by the National Academies of Sciences highlights the importance of planetary protection for future missions destined for…