Articles by Erin Slifka

New 5G smartphones from AT&T, T-Mobile and Verizon can provide speeds 10 times faster than your home Wi-Fi, but that depends on a number of conditions. Here’s what you need to know about the latest cellular network technology.

The Phase 2 study will test the safety and efficacy of the coronavirus vaccine in South Africa, with 2,665 healthy adults and another 240 who are HIV positive.

After lobbying to be open, the big box scrambled to meet surging demand. Historical business benchmarks don’t apply in the pandemic, says CEO Craig Menear: “None of that has a correlation anymore.”

Joe Biden wants to combat climate change, repair the country’s crumbling infrastructure, improve education and expand government-financed health care. To finance that ambitious agenda, the Democratic presidential candidate plans to raise taxes by about $4 trillion.

The Trump administration’s plans to restrict the Chinese messaging app WeChat could have a casualty beyond geopolitics: It would cut off a vital link Americans use to keep in touch with family in China.

Utilities across the country are seizing a fast-expiring green energy subsidy to boost the efficiency of aging wind farms as they set ambitious goals to reduce their carbon emissions.

Americans’ shopping surpassed pre-pandemic levels last month, but the U.S. economy still faces threats as it digs out of a severe recession.

While economists in the August survey see a bigger third-quarter rebound than they did a month earlier, they still expect the recovery to take a long time.

Broadband usage surged in mid-March as millions of Americans turned to the internet to work, learn and communicate at home.

General Motors and Ford are capping a frenzied effort begun in the spring to mass-produce machines for the sickest Covid-19 patients.