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

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

IUCAA scientist explains gravity, gravitational waves to students at SRM University-AP outreach event, featuring academic sessions and hands-on experiments.

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 ...