Top list · 15 entries
15 Missions That Changed Everything
The robotic and crewed flights that most rewrote the textbooks.
Apollo 11 (1969)
Humans on another world
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02
Voyager 1 & 2 (1977–)
The grand tour, still calling from interstellar space
03
Hubble (1990–)
The universe brought into focus
04
Cassini–Huygens (1997–2017)
Saturn's system revealed; ocean moons found
05
ISS (1998–)
A quarter-century of continuous human presence
06
Kepler (2009–2018)
Proved planets outnumber stars
07
Curiosity (2012–)
Ancient Mars was habitable
08
Rosetta & Philae (2004–2016)
Orbited and landed on a comet
09
New Horizons (2006–)
Pluto turned into a world
10
Gaia (2013–2025)
Two billion stars mapped in 3D
11
LIGO (2015–)
Heard space-time ring
12
Event Horizon Telescope (2019)
Photographed a black hole
13
JWST (2021–)
The first galaxies, seen
14
DART (2022)
Moved an asteroid on purpose
15
OSIRIS-REx (2016–2023)
Brought an asteroid home
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