Seleucus of Seleucia was an ancient astronomer who defended heliocentrism, arguing that Earth orbits the Sun and rotates on ...

What a wonderful question! The simple answer is that they relied on centuries of previous observations. Remember, even computers have to be programmed with the right data to produce future times of ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study of the Dresden Codex uncovers how Maya astronomers predicted solar eclipses for centuries using simple math and ...

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

Peering into the past, we find that our ancestors held a surprisingly advanced understanding of the stars and constellations. Their knowledge, as revealed in ancient texts, often rivals our modern ...

Astronomers have identified the most primitive star ever found, similar to the first stars every born, dubbed SDSS J0715-7334 ...

For decades, astronomers were only able to study the universe's very first stars using theoretical models. Now, observations from the James Webb Space Telescope (JWST) have revealed what may be the ...

An artist's impression of the star's journey from the Large Magellanic Cloud to the Milky Way. (Navid Marvi/Carnegie Science) ...

More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping systems in the ancient world—a system that could predict solar eclipses for ...