Science & Technology

Some U.S. hospitals have been hit by coordinated ransomware attacks designed to infect systems for financial gain, federal agencies and a private-sector cybersecurity company warned on Wednesday.

A joint advisory by the Cybersecurity and Infrastructure Security Agency, the Department of Health and Human Services and the FBI says there is "credible information of an increased and imminent cybercrime threat" to U.S. hospitals and health care providers.

At the top of a hill sits a large white building with columns and draped with American flags. It resembles the Capitol building in Washington, D.C., except for a key difference.

It's built out of Minecraft blocks.

The CEOs of some of the biggest tech platforms defended the way they handle online speech to an audience of skeptical senators, many of whom seemed more interested in scoring political points than engaging with thorny debate over content moderation policies and algorithms.

A trio of Silicon Valley's biggest names will be in the hot seat on Wednesday for a U.S. Senate hearing focused on a decades-old legal shield that is newly under fire.

Facebook's Mark Zuckerberg, Twitter's Jack Dorsey and Google's Sundar Pichai are appearing virtually at 10 a.m. ET in front of the Republican-controlled Senate Commerce Committee to answer questions under oath about whether being insulated from lawsuits has enabled Big Tech's "bad behavior."

A former Uber driver in San Diego sued the ride-hailing company on Monday for racial discrimination in how it uses passengers' reviews to evaluate drivers.

The company relies on a star rating system, which the lawsuit says disproportionately leads to the firing of people who are not white or who speak with accents.

NASA has confirmed the presence of water on the moon's sunlit surface, a breakthrough that suggests the chemical compound that is vital to life on Earth could be distributed across more parts of the lunar surface than the ice that has previously been found in dark and cold areas.