Why Do Scientists Believe the Big Bang Theory?
The Beginning of the Question For most of human history, people looked at the night sky and wondered whether the universe had always existed or whether it had a beginning. ...
Day: March 13, 2026
Why Does the Universe Contain Matter Instead of Antimatter?
The Symmetry Problem in Modern Physics Modern physics has achieved extraordinary success in explaining the behavior of the universe through what scientists call the Standard Model of particle physics. This ...
Do Photons Lose Energy as the Universe Expands?
A Particle with Unusual Properties In particle physics, every fundamental particle possesses intrinsic properties such as mass, electric charge, and spin. These characteristics determine how particles interact with forces and ...
Why can’t the universe get as cold as 0 Kelvin?
A Particle That Never Experiences Time According to modern physics, the life of a photon is strangely simple. The moment a photon is created, its journey toward destruction has already ...
From Primordial Stars to Life: How the Elements of the Universe Were Forged
The Chemical History Written in the Milky Way Spectroscopic observations show that the ten most common elements in the Milky Way include hydrogen, helium, oxygen, carbon, neon, iron, nitrogen, silicon, ...
