December comet brings back Rosetta memories14 December 2018
December comet brings back Rosetta memories14 December 2018 A special visitor is crossing the sky: Comet 46P/Wirtanen, sighted with telescopes and binoculars in recent weeks, is on the way to its closest approach to Earth this weekend, when it might become visible to the naked eye.
Rosetta witnesses birth of baby bow shock around comet12 December 2018
Rosetta witnesses birth of baby bow shock around comet12 December 2018 A new study reveals that, contrary to first impressions, Rosetta did detect signs of an infant bow shock at the comet it explored for two years – the first ever seen forming anywhere in the Solar System.
Riccardo Giacconi (1931–2018)11 December 2018
Riccardo Giacconi (1931–2018)11 December 2018 ESA is saddened to hear of the passing of Professor Riccardo Giacconi, Nobel laureate and pioneer of X-ray astronomy, on 9 December at the age of 87.
Learning from lunar lights07 December 2018
Learning from lunar lights07 December 2018 Every few hours observing the Moon, ESA’s ‘NELIOTA’ project discovers a brilliant flash of light across its surface – the result of an object hurtling through space and striking our unprotected rocky neighbour at vast speed. Based at the Kryoneri tele...
Exoplanet mission launch slot announced23 November 2018
Exoplanet mission launch slot announced23 November 2018 The Characterising Exoplanet Satellite, Cheops, will target 15 October to 14 November 2019 for launch.
Shaping the surface of Mars with water, wind and ice22 November 2018
Shaping the surface of Mars with water, wind and ice22 November 2018 ESA’s Mars Express has imaged an intriguing part of the Red Planet’s surface: a rocky, fragmented, furrowed escarpment lying at the boundary of the northern and southern hemisphere.