Several waves of reported outages affected the social media site, formerly known as Twitter, on Monday.
An ambitious start-up embodies new optimism that artificial intelligence can turbocharge scientific discovery.
The president’s attack on the key tenet of the Biden administration’s industrial policy has set off concerns that he may claw back its funding.
Through her production company, Higher Ground, Mrs. Obama, along with her brother, Craig Robinson, will interview celebrities and offer advice on various topics.
People interpret a dog’s emotions based on its situation and have “a big blind spot” for the actual animal, a new study found.
Investors fear that tit-for-tat tariffs could raise prices, slow growth and sow uncertainty among businesses.
The president still believes that his protectionist trade policies will be “great for us” in the long run, but won’t rule out short-term economic pain.
Yoji Muto is expected to negotiate with U.S. officials ahead of global tariffs that could damage Japanese businesses, including automotive giants.
Concern about the cost of materials has tempered business enthusiasm about taxing imports. But steel and aluminum makers say they welcome the help.
President Trump is planning to gut the work force while trying to turn the I.R.S. into a more political agency.
How have the first patients fared after receiving organ transplants from genetically modified pigs? Roni Caryn Rabin, a health reporter on the Science desk of The New York Times, looks at the results so far.
Some scientists are confident that organs from genetically modified pigs will one day be routinely transplanted into humans. But substantial ethical questions remain.
The action came in response to the higher levies on Chinese imports that President Trump announced last week.