/ Astrobiology Content for °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ en /blog/video-looking-ancient-fossil-life-greenland <p>In 2019, °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ geologist&nbsp;<a href="https://eps.ucdavis.edu/people/faculty/sumner">Dawn Sumner</a>&nbsp;took part in an expedition to western Greenland led by Abigail Allwood of the NASA Jet Propulsion Laboratory. Their goal was to investigate a claim that biosignatures – traces of ancient fossil life – had been found in rocks 3.7 billion old. If confirmed, this discovery would change our view of how early life emerged on Earth and the possibilities for life appearing on other planets.</p> November 29, 2021 - 4:54pm Andy Fell /blog/video-looking-ancient-fossil-life-greenland