In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional …

Sep 26, 2025 · Space-time, in physical science, single concept that recognizes the union of space and time, first proposed by the mathematician Hermann Minkowski in 1908 as a way to …

Aug 25, 2025 · Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric of space and time at the heart of Albert …

May 20, 2021 · Space-time is the conceptual model that best explains how the universe works. (Image credit: Shutterstock) The fabric of space-time is a conceptual model combining the …

Jul 31, 2025 · What is space-time? Depending on how fast you're moving or how close you are to Earth's gravity can change the way time feels.

Aug 24, 2025 · Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time — the interwoven fabric of space and time at the heart of Albert …

May 24, 2025 · To understand spacetime is to grasp that reality is fundamentally four-dimensional: three dimensions of space plus one dimension of time, all interlaced. One of the …

Aug 31, 2025 · Space-time is frequently described as the fabric of reality. In some accounts, this fabric is referred to as a fixed, four-dimensional block universe, a complete map of all events, …

Sep 3, 2025 · Space-time – or spacetime – is relatively new to the scientific vocabulary. Even though, throughout history, many cultures have had unified concepts that don’t separate space …

What is spacetime, and is time really all a matter of perspective? Find out in our beginner's guide to the complexities of time and space.