Euclid dark universe satellite
An illustration of ESA's Euclid space telescope, which will launch on a Ariane 6 or Soyuz rocket. Credit: ESA/C. Carreau

HELSINKI – Arianespace and the European Space Agency announced the signing of a contract Tuesday for launch of the Euclid dark universe exploration mission.

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Andrew Jones writes about China's space industry, including civilian programs, space science and exploration, policy, and commercial developments for SpaceNews, and writes the China Report newsletter. He has additional bylines in Scientific American,...