astrobiology articles
What is the evidence for microbial life on Mars?
The search for life beyond Earth has perhaps never been more focused than it is now, directed squarely at the rusty plai...
Why is finding life on other planets important?
The presence of life beyond Earth is a question that has captivated human thought for centuries, moving from the realm o...
What evidence do we have that there was water on Mars?
The evidence affirming that water, in nearly every state—flowing liquid, frozen ice, and chemically bound mineral—has ex...
Can life exist in globular clusters?
The ancient, tightly packed gatherings of stars known as globular clusters present one of the universe's most fascinatin...