Exactly 35 years ago this week, the Hubble Space Telescope was released from the Space Shuttle Discovery cargo hatch. Four new images prove it's still going strong.

This week was monumental for NASA’s Polarimeter to Unify the Corona and Heliosphere, or PUNCH mission. The four small satellites sent to low Earth orbit opened their eyes metaphorically for the first ...

The anniversary celebration also included a countdown of images captured over the Hubble Space Telescope's lifetime so far, one for each year in orbit.