Cleostratus was a truly pioneering Greek astronomer who lived on the small Aegean island of Tenedos in the 6th century BC.

Despite centuries of efforts to map our planet precisely, our view of the world will always be political and imperfect.

Scientists using the ACT have captured the clearest images of the universe first light, refining its age and expansion rate.

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

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

Meteorites are primarily stony chondrites, but also include iron-rich achondrites and pallasites. Studying meteors provides ...

The line between art and science has always been blurred,” Charlie Reinertsen said. Tonight, he’s hosting the first of the ...

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a device. Personalised ads and content, ad and content measurement, audience ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The adage “Wisdom is Better than Strength” adorns the stained-glass Rose Window in Knowles Memorial Chapel—a surprisingly ...