Technology
China’s First Mars Rover Launch Could Make History
If the mission succeeds, China will become only the second country ever to deploy a rover on the surface of the Red Planet.
How to See Comet Neowise Before It’s Gone
The comet will make its closest approach to Earth on Thursday before it fades into black. Here's how you can catch a glimpse.
How Quickly Can Atoms Slip, Ghostlike, Through Barriers?
A new experiment on how rapidly atoms can tunnel through a barricade revives a physics debate about how time passes on the quantum...
China's First Mars Rover Launch Could Make History
If the nation's mission is successful, it will become only the second country to ever deploy a rover on the surface of the Red Planet.
Everything You Need to Know About the Oxford Covid-19 Vaccine
Early results from the team in the UK show their approach is safe and provokes an immune response. But that doesn't mean it works.
How NASA Built a Self-Driving Car for Its Next Mars Mission
It’s hard enough to get an autonomous vehicle to work on Earth. It’s even harder on another planet.
To Navigate Risk In a Pandemic, You Need a Color-Coded...
Is going to the dentist more dangerous than grocery shopping? Public health groups want to help us weigh everyday risks with to easy-to-read...
Universities Need Covid-19 Tests to Reopen. Few Have Them
As campuses reopen, the logistics of preventing an outbreak are posing thorny questions: Who to test? How often? And will students...
The Terrible Consequences of Australia’s Uber-Bushfires
Scientists calculate that the unprecedented wildfires burned 37,500 square miles. For already-endangered species, the conflagration...
What Does It Mean to Say a New Drug ‘Works’?
Covid-19 is a new disease. Remdesivir is an experimental drug. How can scientists tell if it’s successful while the world shifts around...

