Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups (HCGs). This sharp Hubble image shows […]

ESA’s Director General, @janwoerner, visited Tokyo, Japan on 15–16 May for an ESA- @JAXA_en strategic dialoguehttps://t.co/g0CmwXoxcC pic.twitter.com/QRE4U4ahU2 — ESA (@esa) May 16, 2017

@NASASpaceflight @YouTube For sure! Our Journey to the @Space_Station series is also a favourite: https://t.co/lxVCK43wUB — ESA (@esa) May 16, 2017

We're proud to have passed a big milestone on our @YouTube channel – thanks for watching! https://t.co/KQkgdNaNug pic.twitter.com/wkWmHDpiCo — ESA (@esa) May 16, 2017

#EarthFromSpace Special: @DLR_en Chair Pascale Ehrenfreund & @ESA_EO Director @AschbacherJosef discuss #EO synergies https://t.co/90QO13BJwk — ESA EarthObservation (@ESA_EO) May 16, 2017

17 days left in space for @Thom_astro & Oleg before touch down on Earth. Highlights of the #Proxima mission so far https://t.co/L31ZxIi5hN — ESA (@esa) May 16, 2017

Check out @esa DG @janwoerner discuss about the future of Europe's space activities following the ESA Ministerial https://t.co/flakBLci59 — IAF (@iafastro) May 16, 2017

#ICYMI this morning's launch of #Falcon9 by @spacex https://t.co/vVXVrlZZ5B — ESA (@esa) May 16, 2017

#Australia is not bad at #springart, even though it is autumn down under! It has the craziest colours on Earth, from river beds to mines pic.twitter.com/lh9Qcs2kQ0 — Thomas Pesquet (@Thom_astro) […]

Who are the twins of Gemini? It terms of astronomical objects, the famous constellation is dominated by two bright stars: Pollux (left) and Castor (right). Pictured, the two stars stand […]