August 15th, 1977. The Big Ear Radio Telescope, located in the US, received a strong radio signal that lasted for 72 seconds. The signal...

Do you remember how in schools you were taught atoms are the building blocks of matter? Later we come to know they are composed of...

Image Credit: Springel et al. (2005)

What is the best way to explain dark energy? We know it is somehow driving the universe’s accelerating expansion, but is it a mysterious...