Miles O'Brien
PBS NewsHour science correspondent reporting from Antarctica with extensive experience covering science and technology topics, including on-site reporting from the Thwaites Glacier.
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Jan 24, 2026 • 25min
Why Earth's melting glaciers matter more than we think
Erin Pettit, glaciologist studying Greenland and Arctic ice dynamics, and Miles O’Brien, science correspondent reporting from Thwaites Glacier, discuss rapid polar ice loss. They describe on-site research at Thwaites, the risks of Antarctic ice collapse, changing Arctic sea ice and Greenland’s growing contribution to sea-level rise. The conversation highlights fieldwork challenges and why polar changes matter globally.
Jan 1, 2026 • 50min
December 31, 2025 - PBS News Hour full episode
Miles O'Brien, a seasoned science journalist, shares urgent insights from the Antarctic, revealing alarming changes at the Thwaites Glacier. Angela Stent, a former U.S. intelligence officer, discusses the fallout of a CIA assessment on Putin's alleged assassination plot and its implications for peace negotiations in Ukraine. Simon Ostrovsky provides on-the-ground analysis of the U.S.-backed TRIP corridor in the volatile South Caucasus, exploring potential trade unlocks amidst geopolitical tensions.
