Astronomers are about to begin making a time lapse of the night sky using the largest digital camera ever constructed. Designed to reveal any new or moving point of light as well as the structure of ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the Nancy Grace Roman Space Telescope in the largest clean room at the agency's ...