Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. [‘On This Day in Space’ Video Series on Space.com] The Andromeda ...

Born in Massachusetts on July 4, 1868, Henrietta Swan Leavitt attended the country's first co-ed college, Oberlin, before ...

Cannabis companies like Tilray Brands and Canopy Growth could soon face a more mellow path ahead following President Donald Trump’s move to help reclassify the drug’s status. The companies had ...