Sally weakens to tropical depression, leaves massive floods on U.S. Gulf Coast

Hurricane Sally moved northeast on Thursday, where it was expected to bring more than a foot of rain to some areas, one day after it flooded streets and knocked out power to hundreds of thousands of homes and businesses on the U.S. Gulf Coast.

Almost 500,000 without power from Hurricane Sally in Alabama, Florida

Almost 500,000 homes and businesses remained without power early Thursday in Florida and Alabama after Hurricane Sally smashed into the Gulf Cost early Wednesday, according to local utilities.

U.S. oil producers, exporters tally damages from Hurricane Sally, begin restarts

Storm-tossed U.S. offshore energy producers and exporters began clearing debris on Thursday from Hurricane Sally and booting up idle Gulf of Mexico operations after hunkering down for five days.

NIH launches trial of Rigel drug for severe COVID-19

The U.S. National Institutes of Health on Thursday launched a clinical trial of fostamatinib, currently used to treat a blood platelet-destroying autoimmune disorder, in patients hospitalized with severe COVID-19, the disease caused by the novel coronavirus.

Moderna would seek limited emergency use of COVID-19 vaccine based on early data

If Moderna Inc's COVID-19 vaccine proves to be at least 70 percent effective, the company plans to seek emergency authorization for its use in high-risk groups, the company's chief executive told Reuters.

U.S. plans for hundreds of millions of cheap, fast COVID-19 tests

U.S. manufacturers are sharply increasing production of cheap, fast - but less accurate - COVID-19 tests, aiming for 100 million per month by year end that will enable schools and workplaces to significantly expand testing.

Hawaii to allow pre-travel test option to skip quarantine on arrival

Hawaii Governor David Ige said on Wednesday the state's pre-travel testing progam would give travelers the option of potentially avoiding a 14-day quarantine period on arrival from next month.

Burned jaguars, fire tornadoes: Blazes in Brazil wetland deliver climate warning

A fire has been burning since mid-July in the remote wetlands of west-central Brazil, leaving in its wake a vast charred desolation bigger than New York City.

Headaches and hospital visits as wildfire smoke blankets the U.S. West

The splitting headaches began when smoke from wildfires rolled in around Tim Hunt's suburban Seattle home. Next came a debilitating fatigue.

Mountaintop telescopes spared as wildfire smoke from Western U.S. tracked in Europe

From a mountaintop observatory near Los Angeles to the normally verdant Cascade range in the Pacific Northwest, crews on Wednesday battled monster wildfires that raged well into their second week as scientists tracked the smoke drifting across Europe.

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