Medieval chronicles occasionally recorded unusual astronomical events that puzzled observers of the time. One account describes a night when witnesses claimed the moon appeared to split in two. Such ...

Russia’s war has left many of Ukraine’s world-class observatories in ruins—but the besieged nation’s astronomers already have ...

The Franklin Institute will celebrate International Astronomy Day with a lineup of space-themed activities on Saturday, April ...

When Ukrainian forces retook the site of the Braude Radio Astronomy Observatory in September 2022 after forcing a Russian ...

An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger ...

In January, while examining ancient texts at Italy’s National Central Library of Florence, historian Ivan Malara found an ...

A 2022 NASA mission changed the orbit of the asteroid Dimorphos around its companion. New data shows their joint orbit around ...

Astronomers have witnessed evidence of an extremely violent collision between planets, and it resembles the event in Earth's history that created the moon.

The renowned physicist, mathematician, and philosopher would later reject the ideas presented in this very book.

Impey, Distinguished Professor of Astronomy at the University of Arizona’s Steward Observatory, will receive the Lewis Thomas ...

A new temporary gallery celebrating space and the world of astronomy is opening at the National Maritime Museum this month, ...

Associate Professor Hanae Inami at the Hiroshima Astrophysical Science Center specializes in astronomy, with a particular focus on galaxies beyond the Milky Way — a field known as extragalactic ...