Science

New evidence suggests COVID-19 patients on ventilators usually survive
Early reports suggested death rates as high as 90 percent for COVID-19 patients on ventilators. But some hospitals are now reporting mortality lower than 30 percent.
First a pandemic, and now biting gnats 
There’s another affliction adding to our misery this spring: a variety of gnat that’s proven unusually aggressive — if not outright painful — for people out enjoying the warm weather.
Experts share latest knowledge about COVID-19 science and policy
The science of the COVID-19 pandemic is driving policy decisions. We explored the latest with two doctors — an infectious disease expert and a health policy researcher.
A check-in on Minnesota and its response to the coronavirus pandemic
Minnesota’s stay-at-home order has been extended, but some restrictions have been loosened. As the state moves toward reopening for business, we turn to a guest from the Minnesota Department of Health and a doctor to look at how the state has responded so far and what’s ahead in terms of testing and treatment needs.
'Murder Hornets,' with sting that can kill, land in U.S.
The world's largest hornet, a 2-inch killer dubbed the "Murder Hornet" with an appetite for honey bees, has been found in Washington state, where entomologists were making plans to wipe it out.
A look at the science of coronavirus as the country loosens restrictions
All eyes are on states that are loosening social distancing restrictions and what that means for the spread and treatment of COVID-19 infections. We look at these moves, along with the latest science, with two epidemiologists.
NASA names firms in competition to build next-gen lunar lander
Elon Musk's SpaceX, Jeff Bezos' Blue Origin and Dynetics, a Huntsville, Ala.- based firm, will share $967 million to develop a vehicle to get astronauts to the moon's surface by 2024.
Watch as a near-Earth asteroid heads back out to space
Asteroid 1998 OR2 safely passed by Earth at about 4:55 a.m. Wednesday morning. But you can watch the 1.5-mile-wile space rock as it heads back out to space starting at 1:30 p.m. today through the Virtual Telescope Project live stream.
WHO says there's 'no evidence' that recovered COVID-19 patients are immune
The World Health Organization has pushed back against the theory that individuals can only catch the coronavirus once, as well as proposals for reopening society that are based on this supposed immunity.
Virus researchers cast doubt on theory of coronavirus lab accident
The Trump administration is investigating the theory that the virus leaked from a lab. Scientists who work with viruses say that's virtually impossible and point to transmission from an animal.