The map shows the cosmic microwave background (CMB), a faint remnant radiation from the early stages of the universe. It began as the earliest light just 380,000 years after the big bang ...

The ancient object formed when the universe was less than 10% of its ... has previously been attributed to the cosmic microwave background (leftover radiation from 13.8 billion years ago), which ...

When we observe the night sky, the planets, stars and galaxies appear to be close together. We know that some objects are closer to the Earth than others and that enormous distances separate us ...

More recently, he notes, a weirdly dimming object called Tabby’s Star inspired theories of alien life, before astronomers solved the puzzle. But what about the many puzzles in the universe that ...