Click to open image viewer. This artifact is one of several replicas and flight spare Explorer 1 spacecraft in the collection. It was identified as a fully instrumented flight spare of the Explorer-1 ...

Add Yahoo as a preferred source to see more of our stories on Google. On March 26, 1958, the United States launched its third satellite into space. ['On This Day in Space' Video Series on ...

ESA’s Earth Observation Programme Board has selected ‘Biomass’ to become the seventh Earth Explorer mission. The innovative satellite aims to map and monitor one of Earth’s most precious resources.

The European Space Agency hopes to launch a new Earth Explorer satellite in 2020 that will map the extent and composition of the world’s forests. Subscribe to read this story ad-free Get unlimited ...

Thanks to their ability to absorb and store carbon dioxide from the atmosphere, forests have long been recognised as a key tool in the fight against climate change – but not all forests are equal. New ...

Carrying a novel P-band synthetic aperture radar, ESA’s Biomass Earth Explorer satellite mission delivers completely new information on forest height and above-ground forest biomass from space. This ...

Explorer 1 became the first successfully launched satellite by the United States when it was sent to space on 31 January 1958. A quick response to the Soviet Union’s launch of Sputnik 1, Explorer 1’s ...

Explorer 1 was the first successful satellite launched by the United States. It was designed and built by the Jet Propulsion Laboratory (JPL) under the direction of Dr. William Pickering. They ...

A satellite is an object in space that orbits or circles around a bigger object. There are two kinds of satellites: natural (such as the moon orbiting the Earth) or artificial (such as the ...

Carrying a novel P-band synthetic aperture radar, ESA’s Biomass Earth Explorer satellite mission delivers completely new information on forest height and above-ground forest biomass from space. This ...