More than three years after his tweet, the U.S. government has formally declassified the image from one of its most powerful spy satellites.

An NPR analysis of security footage and photos following the attack on Europe's largest nuclear power plant shows that many of the plant's critical safety systems were in the field of Russian fire.

Satellite data show water levels plummeting at the Kakhovka Reservoir. The reservoir supplies drinking water, irrigates vast tracts of farmland, and cools Europe's largest nuclear plant.

Researchers who have been studying the volcano since 2015 say it was likely caused by seawater flowing into a chamber filled with magma.

An anti-vaccine group known for spreading medical disinformation is writing prescriptions for unproven COVID-19 treatments, with the help of a doctor whose medical license was revoked in Alabama.

Some officials worried that Trump’s decision to tweet an image of Iran's failed satellite launch compromised a key U.S. spy capability, potentially giving Iran a leg up in concealing its nuclear and...

More than three years after his tweet, the U.S. government has formally declassified the image from one of its most powerful spy satellites.

Israel's military says the system makes it more efficient and reduces collateral damage. Critics see a host of problems with the nation's use of AI, but other militaries will likely follow suit.

The satellite is believed to be among America's most advanced. Some believe it's as large as the Hubble Space Telescope.

More than three years after his tweet, the U.S. government has formally declassified the image from one of its most powerful spy satellites.

A 75-year-old woman became enmeshed in conspiracy theories about COVID. After she got infected, she rejected effective treatments and sought out black market drugs instead.

Simone Gold isn't alone. NPR found other physicians who retained their licenses despite spreading misinformation online and to the media about effective COVID-19 vaccines and unproven treatments.

Last week, the president tweeted a highly detailed image showing the aftermath of an accident at Iran's Imam Khomeini Space Center. It reveals the power of U.S. spy satellites.

Western scientists say they may never know the source of the cloud of ruthenium-106 that hovered over Europe last month. But what little data there is suggests a research facility inside Russia.

The satellite image lends credence to the idea that Russia may have exposed its troops to unhealthy levels of radioactivity.

A giant laser facility in Livermore, Calif., says it has created net energy from nuclear fusion. It's an important breakthrough, but fusion power remains a distant dream.

NPR's official Twitter feeds have gone silent. The news organization cites the social media platform's decision to question NPR's editorial independence through a series of inaccurate labels.

Stephanie was usually careful about her health and regular vaccinations. But then she got into sharing far-out videos and fringe ideas. When COVID hit, misinformation put her and her husband at risk.