25 Years Of Astronomy - Space.com Anniversary Highlights 1999-2024

In galaxies far, far away…we’ve discovered so much since the turn of the century. Here's a look at some of the greatest astronomical discoveries from 1998 to 2024, during the first 25 years of Space.com, which was founded on July 20, 1999, including dark matter, the first real photo of a black hole and more!