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NASA’s new planet hunter starts work

30 July 2018 Stephen Clark

NASA’s newest observatory in space has started its search for planets around other stars as astronomers zero in on worlds that are ripe for research by follow-up missions like the James Webb Space Telescope.

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Saturn’s clouds run deep, rings may rain organics

6 April 2018 Stephen Clark

Saturn’s clouds have roots deeper inside the planet’s atmosphere than scientists previously thought, and Saturn’s rings — now believed to have formed in the last 200 million years — appear to be raining organic molecules down on the planet, according to observations made by NASA’s Cassini spacecraft last year in the final weeks of its mission.

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Webb telescope’s launch delayed until 2020

28 March 2018 Stephen Clark

Blaming a slew of technical snags and “avoidable errors,” NASA officials said Tuesday that the launch of the James Webb Space Telescope, already years behind schedule, will be delayed to 2020, potentially pushing the mission’s development cost above an $8 billion cap mandated by Congress.