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

Simply put, pi is a mathematical constant that expresses the ratio of a circle’s circumference to its diameter. It figures ...

You know, after decades of pointing optics toward the sky, I consider myself a knowledgeable observer. But while researching ...

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

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

Science has already proven that sculptures from ancient Greece and Rome were often painted in warm colors, and now a Danish study has revealed that some were also perfumed.

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

Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

Scientists at Lab are unraveling the mysteries of Bennu, a 4.5-billion-year-old asteroid, using cutting-edge technology. The ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

Mar. 13, 2025 — Astronomers have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million spectra from ESA's ...