This cloud is a window into the dark Universe,” study co-author and Space Telescope Science Institute (STCScl) team member ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...

According to the Big Bang theory, normal matter composed of protons, neutrons, and electrons should account for roughly 5% of ...

When matter collides with antimatter, both vanish in a powerful energy burst. Scientists explain who truly wins this cosmic ...

Researchers from Ohio State University have come up with a novel method to detect dark matter based on existing meteor-detecting technology. Using ground-based radar to search for ionization trails, ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...

Fish school, insects swarm and birds fly in murmurations. Now, new research finds that on the most basic level, this kind of group behavior forms a new kind of active matter, called a swirlonic state.

Scientists have created the largest map of dark matter yet, part of a slew of new measurements that help pin down the universe’s dark contents. Covering about a thirtieth of the sky, the map (above) ...

At long last, all of the universe’s ordinary matter seems to be present and accounted for. Astronomers have taken a new census of matter in the universe by examining how bright flashes of radio waves ...