dark matter

Euclid’s view of the Horsehead Nebula

Euclid’s first images: the dazzling edge of darkness

Euclid's first images from the dazzling edge of darkness have been revealed. These five images illustrate Euclid's full potential.

The galaxy AGC 114905. The stellar emission of the galaxy is shown in blue. The green clouds show the neutral hydrogen gas. The galaxy does not appear to contain any dark matter, even after 40 hours of detailed measurements with state-of-the-art telescopes. Credit: (c) Javier Román & Pavel Mancera Piña

Can there be galaxies without dark matter?

Can there be galaxies without dark matter? A new study says yes. Astronomers found 6 galaxies with little or no dark matter.