In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have ...

Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this ...

Both teams enter the game with plenty of confidence. The Herons advanced past New York City FC with a 5–1 win in the Eastern ...

“All the Fermi Paradox tells you is that civilizations are rare. It doesn’t tell you why they’re rare,” says Ian Crawford, a ...

A researcher identified gamma ray emissions that appear to have originated from dark matter, but other physicists still ...

Astronomer Fritz Zwicky first proposed dark matter in a 1933 paper describing the Coma Cluster, a collection of ...

A distant red giant star is rippling with seismic vibrations, and for the first time, a NASA spacecraft has translated those ...

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...