Space News Mission Log — Satellite Launches, Orbital Events & Analysis
Daily space news, satellite launch reports, orbital debris analysis and weekly roundups — grounded in live tracking data from our network monitoring 180 published reports.
How Earth Observation Satellites Monitor Our Planet
Earth observation satellites use remote sensing technology to collect data about the planet's surface, atmosphere, and oceans, providing critical insights for climate science and resource management.

Satellite Imagery Explained: Understanding Earth Observation Satellites
Satellite imagery is captured by Earth observation satellites that monitor the planet from orbit, providing critical data for various applications.

Landsat 9: Earth Observation from 705 km
Landsat 9 is the latest satellite in the Landsat programme, a joint initiative by NASA and the United States Geological Survey (USGS) to monitor Earth's surface. Launched on 27 September 2021, it continues a legacy of Earth observation that began with Landsat 1 in 1972.

Terra: NASA's Flagship Earth Observing System Platform
Terra, launched by NASA on 18 December 1999, is a key component of the Earth Observing System (EOS) programme. It serves as a flagship platform for studying Earth's climate and environmental systems.

Terra: NASA's Flagship Earth Observing System Platform
Launched on 18 December 1999, Terra is a cornerstone of NASA's Earth Observing System (EOS), designed to monitor and understand key aspects of the Earth's climate and environmental systems. The satellite carries a suite of scientific instruments aimed at collecting data on the atmosphere, land, and

Satellite Spotlight: Terra — NASA's Earth Observing System Flagship
Launched on 18 December 1999, Terra is a cornerstone of NASA's Earth Observing System (EOS), serving as a vital platform for monitoring our planet's climate and environment. As a flagship satellite, Terra is equipped with a suite of five scientific instruments designed to study the interactions amon

Aqua: Tracking Earth's Water Cycle from Orbit
Launched on 4 May 2002, Aqua is a NASA Earth Science satellite designed to observe the Earth's water cycle. Part of the Earth Observing System (EOS), Aqua's primary mission is to collect data on precipitation, evaporation, and the cycling of water.

Sentinel-2: Europe's Copernicus Imaging Workhorse
Sentinel-2 is a part of the European Union's Copernicus Programme, a flagship initiative aimed at providing Earth observation data to support environmental monitoring, climate change studies, and disaster management. The Sentinel-2 mission consists of two identical satellites, Sentinel-2A and Sentin

Envisat: The Giant Dormant ESA Satellite and Collision Risk
Envisat, launched by the European Space Agency (ESA) in 2002, was one of the largest Earth observation satellites ever constructed. With a mass of approximately 8,211 kilograms and dimensions comparable to a double-decker bus, Envisat was equipped with ten sophisticated instruments designed to monit

Aqua: Tracking Earth's Water Cycle from Orbit
Launched on 4 May 2002, Aqua is a NASA Earth Science satellite dedicated to the study of Earth's water cycle. It forms part of the Earth Observing System (EOS) and is specifically designed to collect information about precipitation, evaporation, and the cycling of water.

Envisat: The Giant Dormant Satellite and Its Collision Risk
Envisat, launched by the European Space Agency (ESA) on 1 March 2002, was one of the largest Earth observation satellites ever constructed. With a mass of approximately 8,211 kilograms and dimensions akin to a double-decker bus, Envisat carried ten sophisticated instruments designed to monitor the E

Unveiling Olympus Mons: Mars' Towering Giant
Discover Olympus Mons, Mars' colossal volcano, towering nearly three times higher than Earth's Mount Everest.