The auction house said it was 70 percent bigger than the next largest piece of Mars found on Earth. Only around 400 Martian meteorites have ever been found on Earth. Cassandra Hat ...

An auction in New York City featured rare geological artifacts, including the largest piece of Mars sold for $5.3 million and ...

“We’ve always known that the first solid parts of planets, or ‘planetesimals’, must form further back in time at earlier ...