Technology
A Bolivian 'Cloud Forest' Reveals a Bonanza of New Species
An expedition into a steep, remote mountain area unveils discoveries of strange frogs, snakes, and plants—and the return of species...
Super Slow Computer Programs Reveal Math's Fundamental...
The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to profound...
An Atlas Shows Climate Change Is Pushing Birds Further...
Data from 120,000 birdwatchers in 48 countries shows forest birds have expanded their range while area occupied by farmland birds...
The First Shots, Grim Milestones, and More Coronavirus...
Catch up on the most important updates from this week.
Severe Wildfires Are Devastating the California Condor
This year’s aggressive fire season wiped out a record number of the endangered birds, as well as a facility wildlife biologists use...
The FDA's Green Light for a Vaccine Might Tank Ongoing...
The agency is close to authorizing Pfizer's Covid-19 shot. That raises questions about the fate of study volunteers and lost opportunities...
I Tested Positive for Covid-19. What Does That Really Mean?
We reduce test results to “positive” or “negative.” Some experts think patients, and the community, would be better served by a more...
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A Rocket From 1966 Has Found Its Way Back to Earth’s Orbit
More than 50 years after its course correction failure, Surveyor 2’s rocket booster seems to have reappeared.
There Are No Real Rules for Repairing Satellites in Space—Yet
Fixing, refueling, and upgrading satellites in orbit is about to become more common. A group is pushing for international standards...
SpaceX Launches—and Crashes—Its Starship Mars Rocket
The test flight didn’t come close to the edge of space, but the prototype was a big step toward the rocket’s first orbital mission.
