Evening edition
Thursday 29 October
Seven nice things for Thursday evening. Something nice to end the day on.
A 4.1-billion-year-old Martian meteorite from Mali reveals ancient water activity
Scientists dated a 2-pound Martian meteorite found in Mali to more than 4.1 billion years old, making it one of the oldest known samples of Mars' crust and revealing clues about ancient water activity.
Read it at NASA