
Articles by Stephen Clark




Station-bound instrument to open new chapter in the story of cosmic rays
Physicists are gearing up to send a re-engineered science instrument originally designed for lofty balloon flights high in Earth’s atmosphere to the International Space Station next week to broaden their knowledge of cosmic rays, subatomic particles traveling on intergalactic routes that could hold the key to unlocking mysteries about supernovas, black holes, pulsars and dark matter.



New Horizons’ next target might be a binary pair
Ground observations of the New Horizons spacecraft’s next target last month revealed the distant object, lurking in the outer solar system more than four billion miles from Earth, might have an unconventional elongated shape, or even consist of two icy bodies orbiting one another in an age-old cosmic dance.



SES agrees to launch another satellite on previously-flown Falcon 9 booster
Six months after sending one of its communications satellites to orbit on the first re-flight of a SpaceX rocket, SES intends to launch a hybrid television broadcasting satellite owned in partnership with EchoStar on another previously-used Falcon 9 rocket from Florida’s Space Coast as soon as late September, industry officials told Spaceflight Now.