Two spacecraft created their first images of an artificial solar eclipse
The Proba-3 mission focuses on the corona, the sun’s mysterious outer atmosphere
Distant nebulae star in one of the first images from the Rubin Observatory
The facility will scan the entire southern sky every few nights
Black hole–shredded megastars power a new class of cosmic explosions
Each explosion releases more energy than the sun will produce in its entire lifetime
Here’s how a collision of star remnants launches a gleaming jet
An enlarged magnetic field plays a crucial role
A possible new dwarf planet skirts the solar system’s edge
The faraway object travels in a weird, wide orbit
A private Japanese spacecraft failed on its way to the moon’s surface
A lost signal marks the second imperfect attempt at a lunar landing for Tokyo-based company ispace
FDA significantly limits access to COVID-19 vaccines
The agency is restricting new shots to people ages 65 and up or with underlying conditions
What gene makes orange cats orange? Scientists figured it out
Calico and tortoiseshell cats also carry an X-chromosome mutation
HHS says new vaccines should be tested against placebos. They already are
Redundant testing could reduce protection from infectious diseases
Lining medical stents with hairlike fuzz could fend off infections
Sea star–inspired cilia washed away infection-promoting bacterial buildup in a prototype
Ancient poems document the decline of the Yangtze finless porpoise
The animal’s range has declined by about 65 percent over the past 1,400 years
How will the LA fires affect the ocean? These researchers are racing to find out
Scientists aboard a research ship collected ash and debris to assess wildfire pollutants
This caterpillar wears the body parts of insect prey
The “bone collector” caterpillar’s outfit acts as camouflage
Clinical trials face uncertain futures amid Trump cuts
Research on COVID-19 and sexual and maternal health are among the trials taking a hit
Fermenting miso in orbit reveals how space can affect a food’s taste
On the ISS, the Japanese condiment developed nuttier notes than earthbound versions
Watch live plant cells build their cell walls
The assembly process has remained mysterious for more than 300 years
Gray seals may sense their own blood oxygen levels
The ability helps them time their underwater dives