Big Bang Stories
How NASA’s Roman Space Telescope Will Illuminate Cosmic Dawn
6 min read
Today, enormous stretches of space are crystal clear, but that wasn’t always the case. During its infancy, the universe was filled with a “fog” that made it opaque, cloaking the first stars and galaxies. NASA’s upcoming Nancy Grace Roman Space…
Article
What is Dark Energy? Inside our accelerating, expanding Universe
11 min read
Some 13.8 billion years ago, the universe began with a rapid expansion we call the big bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn’t stay…
Article
NASA’s Webb Identifies the Earliest Strands of the Cosmic Web
4 min read
Astronomers using NASA’s James Webb Space Telescope have discovered a thread-like arrangement of 10 galaxies that existed just 830 million years after the big bang.
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