Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS ...

Follow its development and take a peek at what's ahead with the Mysteries of Deep Space interactive timeline. Simply click on the highlighted links in the text below to learn more about each event ...

Get Instant Summarized Text (Gist) In deep space, astronauts face bone and muscle deterioration, radiation exposure, vision impairment, and psychological challenges. Exercise on the ISS helps ...