NASA was once again forced to postpone an International Space Station spacewalk when lead astronaut Tracy Dyson experienced a water leak in her spacesuit.
The Ariane 6 rocket completed its wet-dress rehearsal test as European space officials work to ready their newest launcher for a July 9 inaugural mission.
ESA expects an agreement between Arianespace and Avio to be completed soon for the Italian company to take over commercialization and operations of the Vega C.
Ed Stone was 36-year-old space scientist when NASA tapped him to lead the quest to visit Jupiter, Saturn, Uranus and Neptune with two Voyager spacecraft.
Out of 48 proposals for less-expensive, faster options for returning samples from Mars, NASA selected seven ideas from companies for 90-day study contracts.
NASA received 48 responses to its April 16-May 17 solicitation for alternative ideas to bring samples collected by the Perseverance Mars rover back to Earth.
The EarthCARE satellite is designed to determine what role clouds and aerosols play in heating and cooling the atmosphere to better understand climate change.
The ESA has awarded The Exploration Company and Thales Alenia Space separate contracts to continue work to develop low-Earth-orbit cargo return services.
Ex-NASA exec says the technical and cost challenges of a Mars Sample Return mission could be addressed with a single launch using the Space Launch System.