On Wednesday (Nov. 29), NASA confirmed that the Hubble Space Telescope, one of humanity's favorite bridges to the cosmos, automatically entered safe mode on Nov. 23. That marks the third time this has ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

The Hubble Space Telescope is a masterwork of engineering and human ingenuity. Hubble is comparable in size and weight to a large school bus, but its contributions to science and astronomy could fill ...

For over three decades, the Hubble Space Telescope has captured stunning images of distant galaxies and stars, allowing astronomers to probe the evolution of the universe and its most mysterious ...

"Knock on wood, it can go another 10 years," former astronaut John Grunsfeld says. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. John Grunsfeld ...

The question of how fast the universe is expanding continues to confound scientists. Although it might seem like a fairly straightforward issue, the reality is that it has been perplexing the best ...