Advances in technology are helping explorers fulfill their purpose: Mapping the ocean floor in tiny detail for the first time.

Pokrovsk has been dubbed a "fortress" city, key for Ukraine's logistics and a long-time stronghold for Kyiv in the east.

Our editorial team has highlighted key races to watch, showing who's in the lead and the margin, all updated in real time. Follow these important states as the night unfolds.

Braving the same unpredictable Antarctic sea ice that doomed the ship 109 years ago, the 2022 team miraculously found the final missing piece of the legendary expedition.