You could swim through the deepest voids and encounter a single hydrogen atom in an entire football field's worth of space.

The images show ultra-fine bright and dark stripes (called striations) in the thin, gaseous layer of the sun's atmosphere ...

A team of astronomers led by Michael Janssen (Radboud University, The Netherlands) has trained a neural network with millions ...

A new study suggests they may have a ghostly shadow—trailing dark matter spirals hovering above and below them. A team of ...

UC Santa Barbara physics professor co-leads COSMOS-Web Project cataloging nearly 800,000 galaxies spanning nearly all of ...

The object, named ASKAP J1832-0911, sends out bursts of radio waves and X-rays that last two minutes and repeat every 44 ...

The largest map of the universe, created with data from the James Webb Space Telescope, shows almost 800,000 galaxies crammed ...