The universe is generally referred to as infinite, unknown, and limitless. With over 2 trillion galaxies and millions of stars and planets, the universe is so enormous that it stretches the boundaries ...

The NASA/ESA/CSA James Webb Space Telescope has topped itself once again, delivering on its promise to push the boundaries of the observable universe closer to cosmic dawn with the confirmation of a ...

In a galaxy far, far away, there lie clues to the cosmic dawn—the first few hundreds of millions of years in our 13.8-billion-year-old universe’s early history. On Wednesday astronomers on announced ...

This video explains how scientists estimate the size of the observable universe, what “radius” means in cosmology, and why the universe may extend far beyond what we can see. Golden Globes 2026: The ...