Video Description In 1996, a team of NASA scientists made an incredible announcement—they had found evidence of primitive life forms in a piece of Martian rock. Meet the team of researchers who discovered that meteorite ALH-84001, which had sat in storage at the Smithsonian for years, was a piece of Mars that had tumbled to Earth. The Comprehension Questions are available to download as an RTF file. You can save the file to your desktop and open it in a word processing program.