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

Einstein's photoelectric effect discovery is pivotal for technologies such as LiDAR and digital imaging, driving innovation ...

Mathematical quirks of our universe have led some cosmologists wonder whether the cosmos was actually born in a black hole.

The speed of light, c, is not just a very large number. In modern physics it is a structural constant: the conversion factor ...

We often marvel at the genius of Albert Einstein, a physicist who revolutionized our understanding of the universe. Yet, even ...

The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you ...

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 ...

On September 14, 2015, a signal arrived on Earth, carrying information about a pair of remote black holes that had spiraled ...

The observatory is one of two in the United States funded by the National Science Foundation with its counterpart, LIGO ...

A recently discovered black hole merger is proving correct theoretical predictions made by Albert Einstein and Stephen ...

The first gravitational wave detection in 2015 confirmed Einstein’s century-old prediction that massive accelerating objects, ...

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