When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of the cosmic web where the universe's missing matter was discovered. | Credit: ...
Cosmology’s neat story of a universe driven apart by a simple, invisible “cosmic fuel” is starting to fray. A growing body of ...
Astronomers have discovered a vast tendril of hot gas linking four galaxy clusters and stretching out for 23 million light-years, 230 times the length of our galaxy. With 10 times the mass of the ...