To understand the age of the universe, one must first grasp the concept of redshift in the light emitted by far-off galaxies.

From there, scientists can rewind cosmic time, running the clock backward to estimate the universe's maximum age. Time begins for us at the moment of the Big Bang, when in a tiny fraction of a ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...

Now a new study by professor Rajendra Gupta, of the Department of Physics at the University of Ottawa has put the age of the universe at almost double what has long been believed - 26.7 billion ...