Marc Lipsitch, a professor of epidemiology at the Harvard School of Public Health, answers questions about access to testing for COVID-19, false-negative results and the challenges of mass testing.

NPR's business correspondent takes listener questions on the state of the U.S. economy and unemployment.

Following the rebound seen over the course of the previous session, stocks are seeing further upside in morning trading on Tuesday. The major averages have all climbed firmly into positive territory, further offsetting the pullback seen late last week.

Stocks moved mostly higher during trading on Tuesday, extending the rebound seen over the course of the previous session. With the upward move, the major averages further offset the pullback seen late last week.

The black hole is roughly 1,000 light-years from Earth — and more than 2,000 light-years closer than the next one known. What's more, scientists say, it may be just "the tip of an exciting iceberg."

NPR's global health reporter answers listener questions about how the coronavirus is mutating.

Artist Emily Quinn is intersex. She's one of over 150 million people in the world who don't fit neatly into the categories of male or female. She explains how biological sex exists on a spectrum.

A team of scientists at Oregon State University are trying to measure the true prevalence of the coronavirus in Corvallis, Ore., by taking a random sample of the population.

The major U.S. index futures are currently pointing to a sharply higher opening on Friday, with stocks likely to add to the gains posted in the previous session.

The major U.S. index futures are currently pointing to a higher opening on Monday, with stocks likely to add to the gains posted in the previous session.

The major U.S. index futures are currently pointing to a higher opening on Thursday following the mixed performance seen in the previous session.

The United States recorded 2,448 coronavirus-related deaths in the past 24 hours, the biggest rise this month, taking the total death toll to more than 75,000. A total of 75,670 Covid-19 deaths were recorded in the U.S., as per latest data compiled by the Center for Systems Science and Engineering at Johns Hopkins University. This makes up nearly one third of the global cases, and more than on

Hightimes Holding Corp, the owner of the High Times cannabis brand, has agreed to acquire thirteen California dispensaries from Harvest Health & Recreation Inc. for $80 million.

The United States recorded only 1,015 coronavirus-related deaths in the past 24 hours, the lowest one-day tally in a month. While new COVID-19 infections and deaths are falling since the beginning of this month in the country, a coronavirus model cited by the White House is forecasting the daily death toll to reach new height of 3,000 by June 1. The daily infection rate is slated to increase mul

President Donald Trump on Monday announced a strategy to expand coronavirus testing facilities in the United States, which the White House described as a decisive step to ensure States have the testing system required to reopen the nation. The Trump Administration released its blueprint for State testing plans and rapid response programs as a follow up of the "Opening Up America Again" guidelines

CVS Health Corp. extended its rapid COVID-19 drive-thru testing sites to Michigan, with the launch of a new rapid COVID-19 drive-thru testing site in Dearborn in collaboration with federal and state officials. Since March, the company has conducted more than 35,000 COVID-19 tests. The new testing is part of CVS Health's efforts to expand access to coronavirus (COVID-19) testing for everybody.

While reporting financial results for the first quarter on Friday, Northwest Natural Holding Co. (NWN) on Friday reaffirmed its earnings from continuing operations guidance for the full-year 2020, but now expected toward the lower end of the range given potential effects from the COVID-19.

Hain Celestial Group, Inc. (HAIN), an organic and natural products company, on Thursday reported net income from continuing operations for the third quarter of $25.04 million or $0.24 per share, up sharply from $8.78 million or $0.08 per share in the prior-year period.

NPR's Lulu Garcia-Navarro asks UNC coronavirus researcher Dr. Ada Adimora for the latest information concerning COVID-19.

Knight has written a series of books about "mental decluttering" — her latest is called F*ck No! "Most people will take no for an answer much more easily than you think they will," she says.

The Switzerland stock market ended higher on Thursday, in line with markets across Europe, reacting to news about gradual reopening of businesses across the continent and in several states in America.

European stocks are likely to open higher on Tuesday as Italy finally eased lockdown restrictions with strict guidelines after two months.

U.K. stocks rose sharply on Tuesday as several countries tentatively eased restrictions on movement in a bid to revive global economies.

European markets ended with strong gains on Tuesday despite weak economic data, as investors made positive moves reacting to news that several countries across Europe have lifted restrictions that were in place due to the coronavirus pandemic.

A team of scientists at Oregon State University are trying to measure the true prevalence of the coronavirus in Corvallis, Ore., by taking a random sample of the population.

Read the latest on US Economic News, World Economic News and more on RTTNews Economic News.

The Japanese stock market, which resumed trading on Thursday after a three-day holiday, is modestly lower following the lackluster cues overnight from Wall Street after a report showed that U.S. private sector employment nosedived in the month of April. The safe-haven yen also strengthened, dragging exporters' stocks lower.

Read the latest business and financial news, market news, headlines, earnings, economic news and more on RTTNews

German exports declined the most on record in March as foreign demand was dampened by coronavirus, or Covid-19, pandemic, official data showed Friday.

Spain's industrial production declined at the fastest pace in nearly three years in March, data from the statistical office INE showed Friday.

Estonia's consumer prices fell at the fastest rate in over four years in April, dragged down by the transport sector prices, data from Statistics Estonia showed on Friday.

Read the latest on pharma/biotech news, Clinical Trial Results, FDA Calendar, Top Gainers, Recalls, Food Alert and more on RTTNews Biotechnology.