“The universe is about 13.82 billion years old. Although it is well within the error range of earlier estimates, this new number means that the universe is slightly older than cosmologists previously thought. The new age comes as a result of data just released from the European Space Agency’s Planck space telescope, which for the past 15 months has been taking the most precise images of the oldest light in the universe, the “cosmic microwave background radiation.” This microwave-wavelength light is the remnant of the universe’s earliest days, and is a key piece of evidence for the event we now call the Big Bang.”

Read here.