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Voyage to Antarctica seeks to learn why a glacier is melting

Season 2026 Episode 19 | 12m 00s

Scientists are worried about the melting of Antarctica's ice sheets and what it could mean for sea levels. There's a two-month-long journey underway to conduct research that will better explain what's happening. But it's a journey that provides no guarantees that researchers will even be able to get the data they want. Science correspondent Miles O'Brien reports for our series, Tipping Point.

Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by Consumer Cellular and Cunard Cruise Line. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.

Extras

Nature

Preview of Parenthood "Freshwater"

Animal parents must overcome freshwater’s constant changes.

Preview: S44 E7 | 0:30

Nature

Preview of Parenthood "Grasslands"

Animal parents must balance risk and reward to raise their young in grasslands.

Preview: S44 E6 | 0:30

NOVA

Angkor: Hidden Jungle Empire Preview

New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.

Preview: S53 E2 | 0:30

All Creatures Great and Small

Episode 3 Preview

Tristan and Siegfried find themselves in competition. Mrs. Pumphrey prepares Tricki for a visitor.

Preview: S6 E3 | 0:30

All Creatures Great and Small

Episode 3 Scene

James and Helen find themselves scrambling to coordinate their busy schedules.

Clip: S6 E3 | 1:08

NOVA

Asteroids: Spark of Life? Preview

What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.

Preview: S53 E1 | 0:30

PBS News Hour

Congress divided over how much authority to cede to Trump

As Trump expands presidential power, Congress divided over how much authority to cede

Clip: S2026 E19 | 6:51

PBS News Hour

A Brief But Spectacular take on walking like you belong

Minnijean Brown-Trickey's Brief But Spectacular take on walking like you belong

Clip: S2026 E19 | 4:58

PBS News Hour

News Wrap: Leaders weigh joining Trump's 'Board of Peace'

News Wrap: World leaders weigh whether to join Trump's 'Board of Peace' for Gaza

Clip: S2026 E19 | 7:14

PBS News Hour

Amy Walter and Jasmine Wright on Trump's control of the GOP

Amy Walter and Jasmine Wright on Trump's control of GOP lawmakers

Clip: S2026 E19 | 7:49

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