Einstein’s theory of special relativity tells us that for a moving object, time passes more slowly than for a stationary ...

GPS satellites experience time differently than we do on Earth. Without compensating for this strange effect predicted by ...

Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...

As a massive black hole located 55 million light-years from Earth, the black hole at the center of M87 has a mass equivalent ...

Relativity Acquisition Corp. (“Relativity”) today announced that on September 8, 2025, Instinct Bio Technical Company Inc. (“Instinct Bio”) publicly filed with the U.S. Securities and Exchange ...

Researchers at Hiroshima University have developed a realistic, highly sensitive method to detect the Unruh effect—a ...

Since that day, LIGO — composed of two highly sensitive laser interferometers located in Hanford, Washington and Livingston, ...

We all know that black holes are mysterious giants in the universe, with a mass beyond imagination and gravitational forces so strong that even light cannot escape. Our understanding of black holes ...

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this ...

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a ...

Time travel has been a beloved trope in science fiction for decades. While it may seem like the stuff of novels and movies, ...

Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever ...