Mars did have complex carbon. A NASA rover found its hiding place.

NASA's Curiosity rover took this selfie at a site on Mars where it drilled a sample to search for organic molecules in ...
Hosted on MSN

NASA rover detects most diverse organics yet on Mars

NASA’s Curiosity rover has identified the most diverse set of organic molecules yet found on Mars, including seven never before detected there. The compounds, some resembling precursors to DNA and ...
AOL

Nasa rover makes discovery that hints at past life on Mars

Nasa’s Perseverance rover has uncovered new evidence of chemical activity on Mars that could suggest the planet was once habitable. Samples of mudstones from the Jezero crater – an ancient basin ...
Space.com on MSN

NASA's TESS spacecraft discovers a weird system of exoplanets unlike anything seen before

"Most planetary systems appear as 'peas in a pod.' This is not the case in the TOI-201 system." ...