Testing has siphoned supplies crucial for other kinds of exams, including strep throat, fungal infections and sexually transmitted diseases.

The Texas company also said it may write down the value of natural-gas assets worth as much as $30 billion, as the pandemic continues to pressure the world’s biggest oil companies.

The Trump administration imposed counterterrorism sanctions on Iran’s oil sector that analysts say will make it more difficult to reverse the pressure campaign on Tehran.

U.S. manufacturers are falling short of demand for goods from cars to appliances to lawn mowers that consumers are buying in big numbers as the pandemic drags on.

The Trump administration said the Russian government research institution was responsible for cyberattacks on the critical infrastructure of U.S. allies in the Middle East.

Nearly two years after Tokyo prosecutors arrested the country’s best-known foreign executive, Nissan’s Carlos Ghosn, a major Japanese company has made the rare choice of a foreign executive as its CEO.

The companies have made good progress on cost cuts and are considering their next steps.

Britain-based Liberty Steel Group said it made an offer to buy Thyssenkrupp’s steel business, a move that would create a new metals giant on the continent and mark the German conglomerate’s exit from more than two centuries of steelmaking.

Petrochemical makers are pausing multibillion-dollar U.S. expansions as the coronavirus pandemic subdues what had been rapid growth in demand for plastics.

The new head of MI5, the U.K.’s domestic intelligence service, said the agency had shared knowledge about the dispersal of toxic chemicals in droplets to aid scientists studying the coronavirus as he outlined efforts to protect the integrity of research into a Covid-19 vaccine.

Ilham Kadri, who heads Belgian chemical company Solvay, is among a growing group of leaders who say sustainability will play a role in their company’s future success.

The chemicals makers are hoping the EPA responds to a court-ordered ban on their dicamba herbicides by allowing them back on the market despite complaints about crop damage.

Higher crude prices are good for petrochemical producers weighted toward North America and the Middle East—such as Exxon—because those gains make their products based on natural-gas liquids more competitive.

U.S. carriers are using higher amounts of some chemicals to show their planes are safe. The unknown long-term effects of these antiviral sprays concern some scientists.

A startup, Diamond Standard Co., aims to open the diamond market to investors through standardized coins containing a carefully selected sample of the precious stones.

Robert Gore was tinkering with a polymer used in plumbing tape when he discovered what became Gore-Tex. The material has been used in guitar strings, medical implants and space suits, as well as in jackets and boots.

A strong rebound in Chinese car sales is helping to widen the price gap between palladium—already the most expensive of the major precious metals—and platinum.

Questions and answers about the deadly nerve agent developed in the Soviet Union, its existence first revealed in the early 1990s

Cheap, cleaner natural gas had been eating away coal’s share of electricity generation for some time. But with natural-gas prices edging toward $2.5 per million British thermal units, the tables are about to be turned.