The idea of 'absolute time' is an illusion. Physics and subjective experience reveal why.
Researchers dramatically improve the accuracy of a number that connects fundamental forces.
Kenneth G. Libbrecht talks about why he became interested in snow, the physics behind snow crystals, and where to observe the best snowflakes.
Every breath we take is comprised of recycled atoms, first released by stars and then used by countless other humans and animals.
Sir Roger Penrose claims our universe has been through multiple Big Bangs, with more coming.
Grandfathers, take heart. You'll survive the paradox that's been gunning for you since the 1930s.
For centuries, people have wondered what the universe is really made of. According to some radical scientists, information data are at the root of all that exists.
Gravity doesn’t only dictate the trajectory of inanimate objects – without it, it would be impossible for human, animal and plant life to exist.
A biologist explains how we perceive colour – and how those perceptions can be unique to each of us.
Aura is depicted in a variety of art and myths; it is also described by adherents of esotericism. But can it be proven scientifically?