October 20, 2017

NASA’s Dawn mission gears up for close look at Ceres

October 20, 2017

NASA’s Dawn spacecraft will remain at Ceres for the rest of its mission, heading closer to the asteroid belt’s largest resident than ever before to obtain new measurements of ice, salts and a tenuous intermittent atmosphere detected around the dwarf planet, the space agency announced Thursday.

World’s largest methane-fueled rocket engine test-fired by Blue Origin

October 20, 2017

Blue Origin has conducted the first hotfire test of its BE-4 rocket engine in West Texas, a powerplant fueled by liquified natural gas and liquid oxygen that will power the company’s heavy-lift New Glenn rocket and perhaps United Launch Alliance’s next-generation Vulcan launcher, officials announced Thursday.

Cassini results still keeping scientists busy

October 19, 2017

Scientists examining data from the Cassini mission’s final months reported this week unexpected measurements of Saturn’s gravity field and outer atmosphere, suggesting they may have to revisit theories about the planet’s rings and the forces that generate magnetic fields.

Photos: Falcon 9 rocket lifts off at twilight

October 13, 2017

Launching into a clear autumn sky at sunset, a Falcon 9 rocket took off Wednesday from NASA’s Kennedy Space Center in Florida and delivered the SES 11/EchoStar 105 communications satellite to orbit.

Q&A with Josef Aschbacher, director of ESA’s Earth observation programs (members only)

October 13, 2017

Josef Aschbacher, head of ESA’s Earth observation programs, recently spoke with Spaceflight Now about the importance of the Sentinel 5P satellite mission designed for air quality measurements from space, and discussed increasing data usage from Europe’s Copernicus environmental network, and plans to expand the flagship Earth observation fleet.

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