UK Defence Secretary John Healey has rebutted US President Donald Trump, who called Ukrainian President Volodymyr Zelenskyy a ...

Josh Dury shares his globe-trotting experiences, revealing insights into our universe and the importance of protecting the ...

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...