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

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 ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

The sun has set on the Blue Ghost spacecraft, ending a successful mission to the moon. By Kenneth Chang and Jonathan Corum New data further challenge the best scientific theory of the history ...

Astronomy and astrophysics are the study of objects and phenomena that are found beyond our solar system. This combines theoretical simulations and observation with both terrestrial and space ...

Mar. 12, 2025 — New research suggests black holes may transition into 'white holes', ejecting matter and potentially even time back into the universe, defying our current understanding of these ...

Credit: Astronomy: Roen Kelly The moonrise and moonset schedule this week The following is adapted from Alison Klesman’s The Sky This Week column. Times for sunrise, sunset, moonrise ...

Credit: Wikimedia Commons, CC BY 4.0 Seleucus of Seleucia was a Hellenistic astronomer, mathematician, and physicist from Seleucia on the Tigris who is best known for his staunch defense of the ...

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