evidence 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...
What evidence is there for ancient shorelines on Mars?
The ongoing investigation into the geological record of Mars frequently circles back to a profound possibility: that the...
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...
What are the evidence of ancient shoreline on Mars?
The crimson dust that defines modern Mars belies a far more dynamic and wet past. For decades, scientists have debated t...
What is the evidence of the ocean on Mars?
The revelation that Mars harbors vast quantities of water today—though not in the surface rivers and seas we might easil...
What is the oldest evidence of water on Mars?
The question of when liquid water flowed freely on Mars has long fascinated planetary scientists, but recent findings ha...
Why do we think there is water on Mars?
The compelling evidence that Mars once held substantial amounts of water, and might still harbor reserves today, stems f...
What kind of evidence suggests that there is not much star formation happening in elliptical galaxies?
The visual contrast between different galaxy types immediately suggests differences in their current activity levels. Sp...