Little Dome C field base and drilling station sits in eastern Antarctica on Tuesday, Jan. 7, 2025. (PNRA/IPEV Beyond Epica via AP)

People walk through an ice core storage cave at Little Dome C field base on Tuesday, Jan. 7, 2025, in in eastern Antarctica. (PNRA/IPEV Beyond Epica via AP)

An ice core drilled by a research team is displayed at Little Dome C field base in eastern Antarctica, during the cutting phase on Tuesday, Jan. 7, 2025. (PNRA/IPEV Beyond Epica via AP)