Space and time are “relative,” flowing differently for each of us depending on our motion. Einstein’s special theory of relativity, published a hundred years ago, also revealed that energy ...

Einstein’s special relativity, which he formulated in his “miracle year” of 1905, was a theory that revolutionised our ideas of space and time – and ultimately paved the way for some even ...

The European Space Agency (ESA) has launched ACES, or the Atomic Clock Ensemble in Space, to the International Space Station ...

ACES will gather ultra-precise data across at least ten observation windows, each lasting about 25 days during the ...

Einstein received the Nobel Prize for one of the other ideas, but the special theory of relativity has ... Everyone knew that space had three dimensions, and time only one. But Einstein put ...

Special relativity tells us motion warps space and time. Einstein’s central coup with general relativity was to combine that with a principle noted over three centuries earlier by Galileo ...

What’s the connection between motion and magnetism? How can something like a black hole have a magnetic field? What’s the ...