Astronomers are worried that these satellites—each of them with the potential to be several times brighter than the full moon—will hamper their view of celestial objects. Scientists also They fear …
A once-a-century solar storm could knock out power and disrupt communications on Earth. How ready are we? Although no geomagnetic storm in the intervening 166 years has matched the fury …
An ambitious new telescope — equipped with the world’s largest digital camera — will scan the skies from a mountaintop in Chile, providing new insights into supernovae, asteroids, and more. …
