In Search of Life’s Smoking Gun

A journey to the underwater volcanoes where life may have erupted

By Jennifer Barone

I t was nearly midnight aboard the research vessel Atlantis. The ship was about a thousand miles west of Costa Rica, where she’d sailed from, hovering over a hydrothermal vent field in the eastern Pacific. Rutgers microbiologist Costantino Vetriani, seated a few feet away from me in the dark control room, radiated energy despite the hour. He peered intently through his glasses at dozens of monitors, occasionally running a…