Tressie McMillan Cottom says the second Trump administration has revealed uncomfortable truths about power in America. She talks with Geoff Bennett about trust in institutions and how to keep your sense of purpose in an onslaught of news. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

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. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Ultra-processed foods make up more than half the average American diet and they're linked to rising rates of obesity and heart disease. Health Secretary Robert F. Kennedy Jr. says the Trump Administration has a solution. But will this plan really "Make America Healthy Again?" Horizons moderator William Brangham explores the American food crisis with Marion Nestle, Ashley Gearhardt and Cindy Leung.

PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

So you want to change a habit — or maybe start something new. Pulitzer Prize-winning journalist and author Charles Duhigg's book, "The Power of Habit," explores how habits are made, and the cues and rewards that shape our behavior. He spoke with Amna Nawaz about how to make habits that actually stick as well as his most recent book, "Supercommunicators."

PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Monarch butterflies make one of the most extraordinary migrations in the natural world, often traveling thousands of miles across North America. Now, scientists are using new tracking technology to get a greater understanding of those journeys. Ali Rogin speaks with Dan Fagin, a Pulitzer Prize-winning journalist who teaches science journalism at New York University, to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Some call it the 'Doomsday Glacier,' a vast expanse of Antarctic ice roughly the size of Florida. As temperatures rise, the Thwaites Glacier is melting fast and threatens to raise global sea levels. That's why a team of nearly 40 researchers is embarking on a two-month journey to study it. Science correspondent Miles O'Brien is with the expedition and reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The private space economy is growing significantly and the year ahead could be a big one. The first private space station is expected to launch next spring, new commercial space flights will be offered and SpaceX is considering a public stock offering. Science correspondent Miles O'Brien reports on a space start-up in New Zealand catching some attention of its own. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

This year, the development and spending around artificial intelligence has been perhaps the most significant business and economic story. AI spending is driving one of the most explosive periods for the tech industry and playing a big role in overall economic growth. But there are very real questions about the boom. Geoff Bennett discussed the potential bubble with Cade Metz of The New York Times. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In movies and literature, a wolf's haunting howl can signify danger or untamed nature. In real life, researchers in Yellowstone National Park are analyzing those howls with cutting-edge AI technology to better monitor and track wolves. Matt Standal of PBS Montana reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The Trump administration says it plans to dismantle the National Center for Atmospheric Research in Colorado, which is the nation's premier atmospheric science center. The center was founded in 1960 and has facilitated generations of breakthroughs in climate and weather science. William Brangham discussed the move with climate scientist Kim Cobb and meteorologist Matthew Cappucci. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy