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Living reference pages

Science trackers

Source-checked living reference pages for missions, climate patterns, and scientific records, with visible update dates, review schedules, and change logs.

Source-checked status Visible update dates Review schedules and change logs

3 pages

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Pacific Ocean seen from space by the Suomi NPP satellite Tracker
Earth

El Niño and La Niña Tracker

NOAA’s current ENSO assessment, ocean indicators, probabilities, methodology, and what El Niño or La Niña can—and cannot—predict.

Updated Review schedule: Monthly
Mars Curiosity rover on the Martian surface Tracker
Space

Mars Missions and Rovers

A source-verified tracker of active Mars rovers and orbiters, what each mission is doing, and when its status was last checked.

Updated Review schedule: Weekly
Engineers prepare the CAPSTONE spacecraft during assembly and testing Tracker
Space

Active Moon Missions

An operator-verified registry of spacecraft currently working at or around the Moon, with roles, evidence, caveats, and an update history.

Updated Review schedule: Weekly