Thirty years after nations banded together to phase out chemicals that destroy stratospheric ozone, the gaping hole in Earth’s ultraviolet (UV) radiation shield above Antarctica is shrinking. But new findings suggest that at midlatitudes, where most people live, the ozone layer in the lower stratosphere is growing more tenuous—for reasons that scientists are struggling to […]

CAPE CANAVERAL, Florida – SpaceX’s Falcon Heavy rocket, the most powerful launch system on Earth, roared into the sky on Tuesday afternoon atop a pillar of smoke. The rocket’s three reusable boosters lifted the vehicle skyward, sending Elon Musk’s personal Tesla Roadster on a journey toward Mars orbit. Musk, SpaceX’s founder, was worried that the experimental 23-story rocket might explode with the force of […]

US stock markets have ended a day of massive fluctuations on a high note, rebounding after recent steep losses. The Dow Jones Industrial Average closed up 2.3%, while the Nasdaq hit 2.1% and the S&P 500 rose 1.7%. Stocks shuttled between positive and negative territory throughout the day, their activity spanning more than 1,000 points. […]

They reflect one of our most basic human instincts. As infants, learning to talk is one of our first acquired skills, and verbally communicating with others quickly becomes a fundamental part of daily life. But only recently have we started to converse with technology, asking it questions, making requests, and so much more. Since communicating […]

About 30 million Americans, including more than a quarter of adults older than 65, have Type 2 diabetes, a chronic condition in which the body is unable to make and properly use the hormone insulin. This creates high levels of glucose in the blood, which, over time, can lead to heart disease, vision loss, kidney […]

When Emily Chang interviewed venture capitalist Michael Moritz in 2015, she wasn’t trying to “trap” him. But when the Sequoia Capital then-chairman suggested that hiring more women might mean “lowering our standards,” he set off a firestorm — and gave Chang the idea for a book. That book, “Brotopia: Breaking Up the Boys’ Club of […]

As consumers, we like to think that we’re making a conscious decision when we buy from a certain brand, especially when it comes to something as personal as beauty products. But it turns out that 182 beauty companies fall under the massive umbrellas of seven huge manufacturers. Inspired by a similar graphic that shows all […]

A rocket more powerful than any other flying today is scheduled to blast off Tuesday for the first time, if all goes well. The Falcon Heavy is the latest advance from the rocket company SpaceX, and it’s a step toward the company’s goal of sending people to Mars. “The future is vastly more exciting and […]

Jennifer Lawrence took over the loudspeaker on a Delta flight from New Orleans to Los Angeles on Sunday. “Everybody, this is not the pilot speaking. This is Jennifer Lawrence,” the star said over the loudspeaker. She continued, asking the entire plane to chant “Fly Eagles Fly,” in support of the Philadelphia Eagles ahead of the Super Bowl. Although Lawrence was born […]

LOOKING AHEAD Team Mickey: Walt Disney Co. reports first-quarter results for fiscal 2018 on Tuesday. During the quarter, the company announced plans to acquire TV and movie assets from 21st Century Fox for $52.4 billion. The proposed acquisition includes Fox’s 20th Century Fox film division and TV studio, as well as its international and cable TV […]