Scientists returning to the ship from Mount Siple, Marie Byrd Land, after drilling an ice core during the Antarctic Circumnavigation Expedition (ACE) 2016-2017. © Parafilms/EPFL. Photographer: Noé Sardet (CC BY-NC-SA 4.0)

Scientists onboard a Zodiac near Siple Island, Antarctica, during the Antarctic Circumnavigation Expedition (ACE) 2016-2017. The area was relatively ice-free at the time of the scientists’ visit, allowing an unexpected opportunity to collect vegetation and geological samples from nearby Lauft and Maher Islands. © Bradley Markle (CC BY 4.0)