How to Spot Small Black Holes That Can Pass Through the Solar System
Black holes about the size of a hydrogen atom may be careening into the solar system without being noticed. But […]
Space
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
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
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
Barnard’s star has at least one planet orbiting it
A red dwarf star known as Barnard’s Star, located just six light-years from our solar system, has at least one
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