Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist. The theory also ...

Photonic space-time crystals are materials that could increase the performance and efficiency of wireless communication or laser technologies. They feature a periodic arrangement of special materials ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

The nearest technological civilisation may be 33,000 light years away and millions of years older than us, making ...

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

The crew of NASA’s SpaceX Crew-9 mission to the International Space Station poses for a photo during a crew equipment interface testSpaceX The human body has no business being in space. Without the ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. Can we journey through time? From H.G. Wells' "The Time Machine to The Time Traveler's ...