When it comes to receiving organ transplants, patients are not usually judged on prior behavior, but some doctors are questioning whether unvaccinated COVID patients should qualify for new lungs.
A new coronavirus variant, first discovered in South Africa, has begun to spread around the globe. Vaccine producers say they're working to get ahead of the new strain.
Cases of the latest COVID variant of concern — first identified in South Africa — have been reported in the U.K., Germany, Italy and elsewhere. Travel from southern Africa is now restricted.
The second time Vanessa Quintero's family caught the virus, probably from her 8-year-old daughter, fewer people got sick. They and their doctors credit the protection of vaccination.
The World Health Organization is holding an emergency meeting on Friday to review the variant. While it's too soon to tell exactly how the new variant functions, virologists are rushing to learn more.
The Oregon-born gray wolf gained a following this year when it became the first to travel to Southern California in a century. Wildlife officials say it appears to have been struck by a vehicle.
Federal health officials have been urging adults with psychiatric conditions to get a booster shot to increase their COVID protection. It turns out being mentally ill puts you at higher risk.
NASA is about to launch the first mission of its new planetary defense office. A spacecraft will attempt to knock a small asteroid off course by ramming into it.