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
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