Television journalist Julia Kirienko was sheltering with Ukrainian soldiers and medics two miles (three kilometers) from the front when their cellphones began buzzing over the noise of the shelling. Everyone got the same text message at the same time. “Ukrainian …

Waves of lava flow inside the largest volcano crater on Jupiter’s fourth biggest moon, Loki. Researchers at the University of California Berkeley were able to take advantage of a celestial alignment between Loki and another moon, Europa, to make the …

In just a few years, well-mannered self-driving robotaxis will share the roads with reckless, law-breaking human drivers. The prospect is causing migraines for the people developing the robotaxis. A self-driving car would be programmed to drive at the speed limit. …

Sprinkle the sequins, spark up the disco lights and get ready for battle — it’s time for the Eurovision Song Contest , a celebration of kitsch and cheesy pop with an undercurrent of politics and patriotism. More than a singing …

Vigorous exercise can reduce aging at the cellular level by nine years, a new study claims. “Just because you’re 40, doesn’t mean you’re 40 years old biologically,” said Brigham Young University exercise science professor Larry Tucker. “We all know people …

China’s President Xi Jinping initiated the ambitious Belt and Road development plan but it has become a world plan not tied to his presidency, the Commerce Ministry said Wednesday, days before Xi hosts a global forum on the initiative. The …

Electric carmaker Tesla has added another product to its lineup: Solar roof tiles. As of Wednesday, customers worldwide could order a solar roof on Tesla’s website. Installations will begin next month in the U.S., starting with California. Installations outside the …

Earlier this year, engineers at Wal-Mart Stores Inc. who track rivals’ prices online got a rude surprise: the technology they were using to check Amazon.com several million times a day suddenly stopped working. Losing access to Amazon.com Inc.’s data was …