Saturn as viewed by ‘Cassini’. Photos: Courtesy of NASA

After an interplanetary voyage that included flybys of Earth, Venus, and Jupiter, the Cassini spacecraft arrived at Saturn in 2004. Since then, from t(...)

An  approximation of how Monday’s eclipse will look from Ireland – weather permitting.

Many parts of the United States will darken on Monday due to a rare cosmic coincidence as millions witness a total solar eclipse. The astronomical eve(...)

Mike Brown, professor of planetary astronomy, points to the gold ring showing the orbital path of Planet Nine at Caltec in California. Photograph: Patrick T Fallon via Getty Images

Astronomers were shocked last January when a research team floated the possibility that there might be an as yet undiscovered large planet lurking fa(...)