Radio waves emanating from Starlink satellites darken the cosmos
While SpaceX’s Starlink satellites are enabling Internet access and mobile communications around the globe, they are also posing a threat […]
How did dark matter form the universe? This physicist has ideas
At the age of 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how many
Betelgeuse has a small companion star hidden in plain sight
Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found
Brain-controlled bionic limbs are getting closer to reality
The word “bionic” conjures up sci-fi visions of humans grown to superhuman levels. It is true that engineering advances such
An mRNA vaccine protected mice against the deadly gut bacteria C. difficile
Clostridioides difficile is an extremely nasty intestinal bug, with few effective treatments and no approved vaccines. But the same technology
50 years ago, satellites threatened astronomers’ view of the cosmos
Satellites interfere with radio astronomy – Scientific news, October 5, 1974 In the past, satellites and probes launched by NASA
Storms ignite a ‘boiling pot’ of gamma rays
Above the cloud tops, storms blow with a complex and frenetic light show of high-energy radiation. A view from a
A transatlantic flight could turn Saharan dust into a major ocean nutrient
As dust from the Sahara blows thousands of kilometers across the Atlantic Ocean, it becomes progressively more nutritious for marine