"If you gaze for long into an abyss," declared German philosopher Friedrich Nietzsche in 1886, "the abyss gazes also into you." He could not have predicted, perhaps, how literally his words would be ...

Physicist Helen Czerski explores the complex science behind familiar phenomena. Read more columns here. Halloween is approaching, and a whiff of ghoulish menace is squatting casually in the darkness ...

For thousands of years, the night sky has been a mystical place of wonder and entertainment. Those who followed the sky ...