SpaceX’s Starship SN10 Rocket Launched, Landed and Exploded
Two spectacular flights, two spectacular crash landings. The third time was almost the charm. On Wednesday, SpaceX launched another high-altitude flight of Starship, a huge next-generation spacecraft that Elon Musk,…
Wyoming Coal Country Pivots, Reluctantly, to Wind Farms
RAWLINS, Wyo. — The coal layered underground helped bring settlers to this scrubby, wind-whipped part of southern Wyoming, where generations found a steady paycheck in the mines and took pride…
Plan to Ditch the Mask After Vaccination? Not So Fast.
With 50 million Americans immunized against the coronavirus, and millions more joining the ranks every day, the urgent question on many minds is: When can I throw away my mask?…
Delayed Skin Reactions Appear After Vaccine Shots
Some people are having delayed reactions to their first dose of a Covid vaccine, with their arms turning red, sore, itchy and swollen a week or so after the shot.…
Fauci Is Giving His Coronavirus Model to the Smithsonian
A piece of personal pandemic history belonging to the nation’s top infectious disease expert has found a new home at the Smithsonian’s National Museum of American History. Dr. Anthony S.…
Texas doctors respond to mask repeal: We have ‘capacity’ but not ‘morale’ for another surge
Some of Texas’ top doctors warned Wednesday that Gov. Greg Abbott’s sudden decision to ditch the mask mandate and lift coronavirus restrictions could result in a new surge of Covid-19…
California Condors Get an Assist From an Unlikely Source: A Wind Power Company
In an unusual — and somewhat controversial — move, federal wildlife officials in California are teaming up with a wind power company to breed endangered California condors in captivity, in…
This Is the Fastest Random-Number Generator Ever Built
Researchers have built the fastest random-number generator ever made, using a simple laser. It exploits fluctuations in the intensity of light to generate randomness—a coveted resource in applications such as…
Stunning Astronomy Photographs Look like They’re Shot from Space
Yes, NASA takes great photographs of the stars, galaxies and gas clouds throughout the universe. But the agency has telescopes floating in space that make this accomplishment a little easier.…
An Urgent Call for a New Relationship with Nature
In a speech given at Columbia University last December, United Nations Secretary General António Guterres said, “Humanity is waging war on nature. This is suicidal. Nature always strikes back—and it…