By project type

Four categories of mission

Moon missions

Lunar landers, orbiters, and sample-return programs that study the Moon's surface, geology, and environment.

Planetary missions

Probes and landers sent to Mars, Venus, and the outer planets to map terrain, atmosphere, and interior structure.

Space telescopes

Orbital observatories that observe planets, stars, and galaxies across wavelengths blocked by Earth's atmosphere.

Follow the latest mission dispatches

Read recurring analyses and breakdowns of newly cataloged programs on the Aerospace Space blog.