Meteorite hunter Roberto Vargas tracks fireballs on the internet and then goes to see if he can find them. Usually I’m alerted that something has fallen or that people have seen a fireball through the ...
A 4.45-billion-year-old grain of the mineral zircon in a Martian meteorite found in the Sahara Desert in 2011 indicates Mars may have been home to boiling hot hydrothermal systems similar to Earth ...
Martian zircon shows evidence of water 4.45 billion years ago Study uncovers early Mars hydrothermal systems linked to habitability Research suggests Mars once had life-supporting conditions ...
Its unusual appearance tipped off its finder, and it soon passed into the hands of a meteorite dealer in Morocco ... to probe the chemistry of the grain. They found trace amounts of iron, aluminum ...