Evidence Mounts For Possible Detection of Past Mars Life

Irene Klotz September 10, 2025
rocks on Mars

The intriguing Mars sample was collected on July 21, 2024.

Credit: NASA/JPL-Caltech/MSSS
Scientific evidence for a possible chemical residue of past life on Mars has withstood a year of analysis and independent peer review, adding credibility to what can now only be confirmed if the sample is returned to Earth. “A year ago we thought we found what we believe to be signs of microbial...
Irene Klotz

Irene Klotz is Senior Space Editor for Aviation Week, based in Cape Canaveral. Before joining Aviation Week in 2017, Irene spent 25 years as a wire service reporter covering human and robotic spaceflight, commercial space, astronomy, science and technology for Reuters and United Press International.

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