Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new stars are born. Astronomers ...

Sanders signed the law hours before Louisiana executed its first inmate with the nitrogen gas method. Arkansas is now the ...

A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

The trailblazing Harvard scientist, who documented the dominance of hydrogen and helium in stars, is still inspiring ...