An international team of researchers with a wide range of backgrounds has found evidence of asteroids providing the compounds necessary for life to get its start on Earth. In their paper published in the journal Nature Astronomy, the group describes their study of a small sample of material collected from Ryugu that was brought back to Earth. An international team of researchers with a wide range of backgrounds has found evidence of asteroids providing the compounds necessary for life to get its start on Earth. In their paper published in the journal Nature Astronomy, the group describes their study of a small sample of material collected from Ryugu that was brought back to Earth. Astrobiology Planetary Sciences Phys.org – latest science and technology news stories