Time reflections, or spatial reflections, occur when "electromagnetic radiation in the form of light or sound waves hit a mirror or wall, respectively," resulting in a reflection, like a mirror image ...

Time is the most common noun in the English language... but what is time? Source: Guy P. Harrison Looking for some psychological stimulation to exercise your mind and spice up your day? Try devoting ...

Sometimes you’re in the mood for a slice of science fiction but you haven’t got the time to embark on a Red Mars or a Dune. All hail, then, the sci-fi short story, bringing you a slice of the weird, ...

So, in no particular order, here they are: New Scientist’s favourite science fiction books of all time. We’d love to hear from readers, too, about your own favourite sci-fi. Join the conversation on ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of purple waves to represent electromagnetism akinbostanci / Getty Images Scientists have observed something ...