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

Science uses careful, organized observations and tests to construct theories that are recorded, passed on to others and built ...

Scientists have traced a repeating fast radio burst (FRB) to the edge of an ancient galaxy where star formation has drastically dropped. Researchers are struggling to explain what caused it.

In the ancient world, there were no modern telescopes that could observe the universe, but there were also regions where astronomy was developed through fairly advanced surveying and calculation ...