PBS News Hour - Science
Episodes
Episodes of PBS News Hour
Mark All
Hurricane Helene made landfall in Florida but towns hundreds of miles from the coast have seen some of the worst destruction. Communities once considered 'climate havens' are facing a harsh reality, there may be no such thing. William Brangham
The kind of deep-sea mining that we've examined this week is only legally permitted inside a country's territorial waters. The only country on earth to allow it so far is Papua New Guinea. Videographer Edward Kiernan and special correspondent W
The companies that create technology used on a daily basis often run into traditional cultures and the environment that sustains them. In a previous report, videographer Edward Kiernan and special correspondent Willem Marx introduced us to the
Mankind has mined the earth's surface for thousands of years. Now there's a furious race to find even more metal that will enable the world's energy transition away from fossil fuels. In Papua New Guinea, one company is digging what may become
A four-person crew of civilians launched Tuesday morning on a private Space-X rocket for a five-day mission to include the first commercial spacewalk in history. NASA has big plans to send people to the Moon and Mars, but a sweeping new report
Wisconsin is coming back from its worst drought in decades. Along with unusually high temperatures, it's affected wildlife in and around the state's rivers. While spring rains ended the drought, recovery in some places has been slow. PBS Wiscon
In Southern California's Tijuana River Estuary, a blind scientist is leading a tour that encourages visitors to experience nature a little differently. He introduces visitors to the native plants with an emphasis on the other four senses beside
NASA's initial launch with the Boeing Starliner capsule has not worked out well. The space agency announced this weekend it has finally decided the two astronauts stuck at the International Space Station will come back on a SpaceX Dragon capsul
Rising waters due to climate change and erosion are diminishing the landmass of Tangier Island, Virginia, a tiny speck of land in the Chesapeake Bay, and threatening a centuries-old culture fostered by the island's isolation. PBS News Student R
From defunct satellites to rocket parts, debris from everything humans have launched into space since the 1950s is orbiting the Earth. That space junk is threatening our technology, both up there and down here. Marcus Holzinger, a professor of
Scientists say much of the persistent and dangerous heat blanketing wide swaths of the country is a long-term result of greenhouse gas emissions. Climate scientist Kristina Dahl joins John Yang to discuss how it's affecting everything from the
Among greenhouse gases, methane is more harmful than carbon dioxide in terms of trapping heat. According to the United Nations, about 32 percent of human-caused methane emissions comes from livestock. Ali Rogin speaks with Ben Lilliston at the
As hurricanes grow stronger and more common due to climate change, they raise new threats for island nations -- not just to infrastructure, but also to artifacts and documents that help define cultures. Now, two island nations in the Atlantic a
Fewer than 300 human beings have visited the International Space Station, and an even smaller number have spent more than 150 days living there. John Yang speaks with Cady Coleman, one of those select few astronauts, about her new book, 'Sharin
Google announced this week it is well behind on a pledge to all but eliminate its net carbon emissions by 2030. The company's greenhouse gas outflow has increased in recent years mainly due to artificial intelligence and the energy required to
A major issue in Britain's general election is the cost of living crisis, caused by spiking inflation following the Russian invasion of Ukraine. That has put pressure on the country's pledge, written into law, to become carbon neutral by 2050.
In the past two decades, the oyster population in Mississippi's Gulf waters has been devastated by both natural and manmade disasters. Among those working to restore oyster habitats is ninth grader Demi Johnson, who was recently recognized by t
The rise of artificial intelligence is requiring faster and bigger computations for even simple tasks compared to, say, a Google search. It's adding to the demand for more internet data centers, but these facilities come at a big environmental
In our news wrap Saturday, Israeli Prime Minister Netanyahu called Biden's proposal to end the war in Gaza a "nonstarter" until Israel's conditions are met, a barrage of Russian missiles and drones targeted Ukraine's power grid, South Africa's
Nearly 115,000 people are currently waiting for a new organ. But the shortage crisis is nothing new, as 5,600 people die each year waiting for an organ. Ali Rogin spoke with Barry Friedman, the former executive director of the AdventHealth Tran
As the planet warms and sea levels rise, eighty-five percent of Generation Z is concerned about climate change, according to a January Marist poll. In response, states like California, Connecticut and New Jersey are teaching kids about climate
The outbreak of bird flu in the U.S. has alarmed researchers and prompted new efforts to track the virus that's already killed millions of birds from Europe to Antarctica. As H5N1 continues to jump into mammals, many scientists are concerned th
In our news wrap Saturday, Israel issued more evacuation orders forcing tens of thousands of Palestinians to flee Rafah, Russian forces took control of five villages outside Kharkiv amid a renewed offensive in Ukraine's northeast, flash floods
To most people, the sun is a steady, never-changing source of heat and light. But to scientists, it's a dynamic star, constantly in flux, sending energy out into space. Experts say the sun is now in its most active period in two decades, causin
New research is revealing the secrets of Io, the mysterious volcanic moon of Jupiter. Four centuries after Galileo discovered Io in 1610, NASA sent a spacecraft called Juno on a five-year mission to Jupiter and its moons. Last week, NASA releas
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