To enjoy the Geminid show, bundle up and venture away from city lights, which can drown out fireballs. The meteor shower will appear over the whole sky, so look to the darkest part or search for the ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light ...

Scientists hunted dark matter and solar neutrinos with one of the largest experiments yet. While the neutrinos likely ...

A brilliant point of light is rising in the eastern sky soon after dark this month, drawing comparisons to the "Star of ...