“This stunning image is the first piece of a map that in six years will reveal more than one third of the sky. This is just ... s primary goals is to observe dark matter and dark energy.

The first piece of the Euclid space telescope's map of the universe is crammed with 14 million galaxies and 100 million sources of light. The mapping project is now 1% done.

Check a light-pollution map or find a Dark Sky Place to observe from. Although its magnitude of +2.8 makes it technically visible in a dark sky, you'll almost certainly require binoculars or a ...

Glowing red lights make it easier to wander the nightscape at Keweenaw Dark Sky Park and Keweenaw Mountain Lodge.