Don’t even think of throwing away the mask anytime soon.

A judge on Monday voided permits needed for a massive methanol plant on the Columbia River in southwestern Washington, agreeing with conservation groups that the project needs a more thorough environmental review.

A recent study of emergency departments, including dozens in Oregon and Washington, found that being there at the same time as a COVID-19 patient isn't nearly as risky as most of us think.

Pharmaceutical company AstraZeneca says that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to distribute than some of its rivals.

Chinese technicians were making final preparations for a mission to bring back material from the moon’s surface for the first time in more than four decades — an undertaking that could boost human understanding of the moon and of the solar system more generally.

The Dec. 1 commercial Dungeness crab season has been delayed until at least Dec. 16 for the entire Oregon Coast because testing shows crabs are too low in meat yield.

Demand for testing has surged. And while that demand is soaring, hospitals are being forced into tough decisions about how to prioritize testing.

The Trump administration followed through on a promise to loosen restrictions on grazing, mining and drilling on public lands — perhaps to the detriment of an imperiled bird.

A proposal to convert a money-losing state forest into what’s being touted as a world-class outdoor research lab is moving forward. The public's chance to comment ends at the end of the month.

The Trump administration announced plans that ease protections for sage grouse in the West, prompting an outcry by critics who say the move paves the way for widespread mining and drilling and ignores a federal court ruling.