Sept.

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On this day in space! Sept. 11, 1985: The International Cometary Explorer makes 1st comet flyby in history for NASA and Europe

Wavy alien dune fields stretch across Mars | Space photo of the day for Sept. 11, 2026

The Sept. 11 disasters still shape people’s health 25 years later

Iconic Star Trek filming location spotted from space | Space photo of the day for Sept. 10, 2026

On this day in space! Sept. 10, 2011: NASA launches GRAIL probes to the moon to map lumpy lunar gravity

On this day in space! Sept. 9, 1982: The 1st private rocket, called Conestoga 1, launches from a Texas cattle ranch

Indonesian volcanic eruption spotted from space | Space photo of the day for Sept. 9, 2026

On this day in space! Sept. 8, 2004: NASA's Genesis spacecraft crashed in the Utah desert, shattering its samples of solar wind particles from the sun

SpaceX rocket taxi returns after Roman Telescope launch | Space photo of the day for Sept. 8, 2026

On this day in space! Sept. 7, 1995: NASA launches its 100th astronaut flight on space shuttle Endeavour's STS-69 mission

On this day in space! Sept. 6, 1947: The US Navy launches 1st V-2 rocket at sea in ballistic missile test

Galaxies tangled in science and spirit | Space photo of the day for Sept. 7, 2026

On this day in space! Sept. 5, 1977: NASA launches Voyager 1 on epic journey across the solar system

On this day in space! Sept. 4, 1962: NASA's Mariner 2 spacecrafts performs the 1st-ever maneuver in deep space so it could reach Venus

Hubble Telescope sees spectacular 'superbubble' | Space photo of the day for Sept. 4, 2026

On this day in space! Sept. 3, 2006: Europe's SMART-1 spacecraft crashes into the moon in lunar death dive

2 spacecraft headed to Mercury are about to begin their long-awaited arrival for Europe and Japan — watch it live today

Mesmerizing plasma loops on the sun | Space photo of the day for Sept. 3, 2026

On this day in space! Sept. 1, 1979: NASA's Pioneer 11 probe becomes 1st spacecraft to visit Saturn

On this day in space! Sept. 2, 2016: Rosetta spacecraft finds long-lost Philae lander on Comet 67P after 2-year search