astronomers has uncovered a third galaxy devoid of dark matter, challenging conventional wisdom about the invisible substance that is believed to hold galaxies together. Published in a new study ...

Astronomers have long argued that dark matter is the invisible scaffolding that holds galaxies together. Without its immense gravitational pull, the rotational spins of galaxies would force them to ...

The moon did indeed coalesce out of tiny bits of pulverized planet blasted into space by a catastrophic collision 4.5 billion years ago, two new studies suggest. The new research potentially plugs a ...

Dark matter, the invisible matter that holds the galaxies together, is entirely missing in a galaxy, a new study has shown. The study, led by Michael Keim and Pieter van Dokkum at Yale University, has ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The formation of the moon has long remained a mystery, but new studies support the theory that ...

Among the inner solar system, Earth is the only planet that experiences plate tectonics. A new study, using convection models, shows that Earth’s collision with the protoplanet Theia some 4.5 billion ...