Einstein’s general theory of relativity can be summed up in just 12 words: “Space-time tells matter how to move; matter tells space-time how to curve”. But this short description from the ...

Ronald Mallett, professor emeritus at the University of Connecticut, is most known for his theory on how time travel is possible.

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

Is it possible according to science? Explore the theories, paradoxes, and real-world concepts behind time travel.

During the latter part of the 20th century, string theory was put forward as a unifying theory of physics foundations. String ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special ...

Because the public learned about special relativity and general relativity at the same time, says Weart, the cult of Einstein coalesced quickly. “And then came quantum theory, and people went ...

Researchers say they may have achieved Einstein's vision of a "unified field theory" that can unite two of nature's ...

One year after Einstein was born, his father, mother, and uncle moved to Munich — to establish an electrical engineering company — where Einstein earned the bulk of his early education.

A new model of space-time may have provided the "first observational evidence supporting string theory," according to a study ...

You may have seen the recent news of dark energy observations that alter our understanding of the cosmos, but where has the ...

Einstein's theory of general relativity states that objects with mass curve the very fabric of space-time (the three dimensions of space united with the one dimension of time), and gravity arises ...