This sort of motion is common in galaxies sporting active central supermassive black holes, like the one in the nearby elliptical galaxy M87. Astronomers have measured motion in M87’s ejecta as rapid ...

In this video, we explore the concept of the speed of light and its implications. The discussion delves into the scientific principles behind light speed, why it’s a fascinating topic, and the ...

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.) You turn on the headlights. How fast would you see this light traveling? What about a person standing by the ...

Science fiction authors and readers dream of travelling at the speed of light, but Einstein tells us we can’t. You might think that’s an arbitrary rule, but [FloatHeadPhysics] shows a different way to ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

Are you preparing for UPSC CSE Prelims 2026? Check your progress and revise your topics through this quiz on Science and Technology.

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks. When it comes to space travel, Albert Einstein's theory of relativity is a major ...

Pilots in Star Wars enter a dimension, hyperspace, to travel between distant worlds. To merge onto this cosmic highway, ships are equipped with special engines called hyperdrives. With the push of a ...