You Won't Believe the Universe's 'Hours-Old Baby Pictures'
The new images—of when the cosmos was a mere 380,000 years old—show the "first steps towards making the earliest stars and ...
Cosmic dark energy may be weakening, astronomers say, raising questions about the fate of the universe
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.