Is it possible to build a time machine?

Amazing answers to your curious questions

Time has occupied the greatest minds for centuries and we’re still none the wiser about its absolute nature. Although there’s nothing in physics that says time must flow in a certain direction, nor pr

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi

Even a one-hour time difference can play havoc with your body and mind… Heading abroad this summer? Jet lag is a temporary sleep disorder that occurs when your body’s internal clock (known as circadia

What time is it? It’s later than you think. Tempus fugit. Or, as the sundial inscription so accurately but perhaps more optimistically explains: “I only count the sunny hours.” You know full well that

‘The universe is a pretty big place. If it’s just us, it seems like an awful waste of space,’ wrote the American astronomer and author Carl Sagan in his book, Contact. Ever since humans first huddled