NASA’s report of potential signs of ancient life on Mars has reignited a long-running scientific debate about how common life ...

If life ever existed on Mars, traces of it might still be frozen beneath the planet's icy surface.

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

Researchers simulated Martian permafrost and ice cap conditions in a laboratory, exposing *Escherichia coli* samples in pure water ice and water-sediment mixtures to cosmic radiation equivalent to 50 ...

In the pure ice, over 10% of the amino acids survived this simulated exposure, but in the soil-bearing samples nearly all ...

Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic advancement yet. The news: NASA's Perseverance rover had found potential signs of ...

NASA says it’s now closer than ever to “discovering life on Mars” thanks to a key sample obtained by its Perseverance rover. On Wednesday (Sept. 10), the agency detailed its hopes for the sample, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...