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

In their pursuit of knowledge about the natural world, 16th-century scientists saw few boundaries between experiment and ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Butch Wilmore and Suni Williams have nearly half a century of combined experience as astronauts. But this is just their third ...

IrishCentral Contributor Michael O'Shea traces the fascinating history of 'The Plough and the Stars' and how it became a ...

Scientists using two enormous telescopes — one on Earth and the other in space — have detected oxygen in the most ancient known galaxy, a star-scape beaming light just 300 million years after the Big ...

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 ...

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 ...

If you're in the market for top astronomy gear, the best stargazing apps will help you, but you might also want to check out our pages for the best telescopes, best telescopes for deep space and ...

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 ...

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 ...

The final act of the Blue Ghost lander's busy two weeks on the moon was to send back sunset shots featuring Earth and Venus.