The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster. The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster. Astronomy Phys.org – latest science and technology news stories
Cosmic dark energy may be weakening, astronomers say, raising questions about the fate of the universe
