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

This uncertainty primarily arises from the limitations in modeling gravitational wave signals. Just as accurately determining the location of an earthquake source requires precise models of the ...

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 ...

After years of faulting the president for an “assault … on our democracy,” Rep. Nancy Pelosi (D-Calif.) was singing a wholly different tune regarding rhetoric and the […] ...

Faster-than-light (FTL) travel is a concept that has long captivated both the scientific community and science fiction enthusiasts. In a cosmos where light speed is viewed as the ultimate velocity ...

Immune checkpoint inhibitors transform the melanoma treatment landscape. The word ‘cure’ is now heard often, even in the advanced disease setting. And there’s more on the horizon.

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

Astronomers detected in unprecedented detail a collision between two black holes. Their observations confirm predictions made ...

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

Scientists detect the strongest gravitational wave ever, supporting Einstein’s relativity and Hawking’s black hole area law with record-breaking clarity.

Ten years after LIGO’s historical detection of gravitational waves, the project is cracking black hole mysteries at an ...