Scientific American·2026-10-30 02:00· 5 d agoFeaturedRecommendation94.00

Oldest known Mars rock is a ‘Rosetta stone’ for the Red Planet’s watery past

Reading guide

Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it’s revealing previously hidden chapters of Mars’s deep past

Plus

The full article is a Plus feature

A free account reads ten library articles a day, a fresh ten each day, and those ten open in full — body, vocabulary and PDF export. Plus opens everything below.

· Every library article, no limit
· PDF export for everything you can read
· Daily, weekly and monthly issues, plus the daily email
· Classics, publications and topics

¥9.9 / month

See Plus Already have an account? Sign in

Source:Scientific American · scientificamerican.com

#Science & technology #Scientific discovery #Environment & climate #History