New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Galaxies, planets, black holes: to most people, everything about our Universe sounds and feels enormous. But while it's true ...

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the ...

What makes something quantum? This question has kept a small but dedicated fraction of the world's population—most of them ...

Scientists challenge the idea that intelligent life is rare. They argue that evolution follows planetary changes, not random ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Sagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the ...