For many free-spirited Americans, a face mask may feel like an uncomfortable blot on personal expression. "It is really part of our social contract," said Dr. Lisa Maragakis, senior director of infection prevention at Johns Hopkins University. "Real men wear masks," she declared in her weekly news conference on...

You can help classify martian terrain to make travel easier for rover...

Biotech company Oxitec has been cleared by EPA to release genetically modified mosquitoes in Florida and Texas, but local approval is needed...

An ode to the giant nuclear reactors in the night sky.

SpaceX has now launched 538 Starlinks through nine...

Rocket Lab has returned to active launch status from its first launchpad in New Zealand, after the global COVID-19 pandemic temporarily paused its work there. Early this morning, it flew its 12th Electron launch vehicle from its launch site on NZ's Mahia Peninsula, carrying payloads on behalf of the U.S. National Reconnaisance Office (NRO), NASA, and the University of New South Wales Canberra....