For scientists, that has long posed a problem: According to physicists’ best current theories, matter and its counterpart, ...

Scientists find a rare cosmic pattern that will help them learn more about the invisible matter that holds the universe ...

A Belgian priest came up with the Big Bang almost a century ago—but he also wanted to keep science and faith as separate as ...

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

The reason it could be heard by teams on multiple telescopes and in all different directions was because that irritating noise was in fact the cosmic microwave background (CMB) – the leftover ...

For more than two decades, astronomers have wrestled with one of the biggest mysteries in science: what is driving the ...

On June 16, 1888, Alexander Friedmann was born in St. Petersburg, Russia. An keen student from a young age, Friedmann studied mathematics and meteorology at St. Petersburg State University and the ...

EHT images of M87* show evolving magnetic fields, jet emission near its base, and a stable shadow consistent with Einstein's ...

Two black holes merged together 2.4 billion light years away from Earth, and scientists have just figured out how fast the ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe ...