Greek astronomer Dimitrios Psaltis was instrumental in the gigantic effort to take mankind's first-ever image of a black hole ...

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

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 ...

Halaku, in pursuit of better political fortunes, saw fit to fund an establishment that could meticulously keep track of the ...