Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what quietly falls from the sky.

When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can release enormous volumes of ash. Fine ash can infiltrate the lungs of ...Read more

Do you know where your drinking water comes from?

In South Florida, drinking water comes from the Everglades, a vast landscape of wetlands that has long filtered the water relied on by millions of people.

But as the Everglades has shrunk over the past century, the region’s water supply and water quality have become ...Read more

GREENBELT, Md. — The NASA Goddard Space Flight Center in Prince George’s County faces deep Trump administration budget reductions that could cut the nation’s space science mission in half, Maryland Democratic lawmakers said Monday.

“If you cut the science programming in half, you hurt our country in many ways. You hurt our national ...Read more

Six female celebs — including pop songstress Katy Perry, journalist Gayle King and Jeff Bezos’s fiancée, author Lauren Sánchez — are slated to blast off Monday morning in a Blue Origin rocket headed for the edge of space.

Flying along with the three household names will be former NASA rocket scientist Aisha Bowe, activist and ...Read more

Six female celebs — including pop songstress Katy Perry, journalist Gayle King and Jeff Bezos’s fiancée, author Lauren Sánchez — are slated to blast off Monday morning in a Blue Origin rocket headed for the edge of space.

Flying along with the three household names will be former NASA rocket scientist Aisha Bowe, activist and ...Read more

The Trump administration is working to lift regulations on coal-fired power plants in the hopes of making its energy less expensive. But while cost is one important aspect, utilities have a lot more to consider when they choose their power sources.

Different technologies play different roles in the power system. Some sources, like ...Read more

Around the U.S., about 90,000 tons of nuclear waste is stored at over 100 sites in 39 states, in a range of different structures and containers.

For decades, the nation has been trying to send it all to one secure location.

A 1987 federal law named Yucca Mountain, in Nevada, as a permanent disposal site for nuclear waste – ...Read more

LOS ANGELES -- The fires that swept through Los Angeles County in January left behind more than 1 million pounds of damaged lithium-ion batteries, ranging from slim capsules inside iPhones to the brick-like blocks that run electric vehicles.

Cheap and reliable, lithium-ion batteries have helped the world's transition to green energy but come ...Read more

LOS ANGELES — A dead 50-foot gray whale washed ashore in Huntington Beach on Friday, according to officials with the Pacific Marine Mammal Center.

The cause of death of the young adult female is not yet known, said Glenn Gray, chief executive of the Laguna Beach-based nonprofit. Employees of the center performed a necropsy of the body on ...Read more

LOS ANGELES — California’s national forests are on the chopping block — literally — in the wake of the Trump administration’s April 5 order to immediately expand timber production in the United States.

Last week, U.S. Secretary of Agriculture Brooke Rollins issued an emergency declaration that ordered the U.S. Forest Service to open ...Read more

DENVER — A male gray wolf collared by Colorado Parks and Wildlife was reported dead in Wyoming this week, according to the agency, which did not comment on the circumstances of the animal’s death.

The wolf was one of 15 relocated from Canada to Colorado in January and is the second of that group to die recently in Wyoming. Four weeks ago, ...Read more

A dozen former OpenAI employees are objecting to the startup’s plan to restructure as a for-profit as Elon Musk wages a high-stakes legal challenge to the overhaul.

In the latest turn in a showdown between the world’s richest person and one of the most valuable startups, the data scientists and technicians argued in a court filing Friday ...Read more

SANTA BARBARA, Calif. — In an action cheered by state environmentalists, the California Coastal Commission has voted to fine a Texas-based oil firm $18 million for failing to obtain necessary permits and reviews in its controversial push to revive oil production off the Gaviota Coast.

After hours of public comment Thursday, the commission ...Read more

The second Trump administration has launched the next stage in the half-century-long battle between commerce and conservation over Alaskan oil and gas development. But its moves are delivering a mixed message to the petroleum industry.

The administration has opened – or reopened – large swaths of government land in Alaska to oil ...Read more

As the federal government moves to eliminate U.S. climate rules, companies still face pressure to be better stewards of the planet from their customers, investors, employees, local communities, lenders, insurers, global trading partners and many states.

Each of those groups knows it will face increasing costs from rising temperatures ...Read more

For U.S. President Donald Trump, there would be few bigger victories than having a domestically produced version of the iPhone, one of the most popular tech products in history. Such a prize would validate his tariff plan and campaign promise to bring manufacturing jobs back to America.

And the administration clearly feels this is an achievable...Read more