Information and Theories
When the universe shifted into high gear
10/12/03

Like a hesitant driver, the universe rode the brakes during most of its history, with gravity slowing the furious expansion that had followed the explosive Big Bang of creation.

Then, abruptly, 5 billion years ago, the cosmos hit the gas, spreading outward faster and faster under the mysterious power of "dark energy."

Read When the Universe Shifted Into High Gear