What happens after death? This age-old question has intrigued humanity for centuries, with countless theories from religious, ...

Decades ago, a renegade physicist suggested that gravity isn't so much a force as just a byproduct of the universe's tendency ...

In 1919, a total solar eclipse allowed scientists to confirm Einstein’s theory of general relativity by observing how the sun ...

Using the Hubble Space Telescope (HST), astronomers have observed a nearby ultra-diffuse galaxy designated F8D1. The new ...

"God does not play dice." This famous remark by Albert Einstein critiqued the probabilistic nature of quantum mechanics.

One of the biggest challenges in modern physics is uniting quantum mechanics and general relativity. A new experiment may ...

Scientists propose using quantum-entangled clocks to test how gravity affects quantum mechanics in curved spacetime.

The theorists predict that the beginning of the end will be in about 10 billion years — less than the present age of the ...