Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Viewing opportunities in the northern lights forecast are significantly better than initially reported yesterday and ...

A partial solar eclipse will become visible this weekend in New Jersey. Will you see a "double sunrise"? Here's timing, key ...

Some U.S. states could be treated with a northern lights display due a minor geomagnetic storm on the sun, according to space ...

This month's full moon was due to pass through the shadow of Earth either late Thursday night or very early Friday morning, depending on the viewer's time zone. It was visible to people in the ...

A partial solar eclipse on March 29 will be visible from parts of North America. Here's how to safely view the cosmic event, ...