Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

The current iteration of the galactic map is caught up with the sequels, featuring the Jedi planet Ahch-To and Sith planet ...

American space agency NASA says the SPHEREx telescope has begun returning science data, and it will all be shared with the ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

There are a lot of dark corners in the Warhammer 40K universe. Here are just a few of our favorite mysteries and some ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

Astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to peer into the early universe and uncover the building blocks of galaxies during their formative years. The CRISTAL ...

People in some areas of the U.S. may want to stock up on their own sparklers, Roman candles and fountains, because the ...

While Google Maps has been available on the Apple Watch for a while, there’s now finally a watchOS-compatible Google Calendar ...