As we celebrate Space.com's 25th anniversary, take a look back at the greatest discoveries in astronomy in the past 25 years.

Since its launch in 2021, the James Webb Space Telescope has revolutionized astronomy with breathtaking images that allow researchers to unravel the mysteries of the universe.

Just last year (and twice before in 2020 and 2021), NASA’s Parker Solar Probe dipped by Venus, helping the spacecraft get closer to the Sun than any other human made object before it.