The @NASA/ @ESA Hubble Space Telescope detects helium in the atmosphere of an exoplanet for the first time. (artist's impression) https://t.co/x2MKcdIsfg pic.twitter.com/31cudQWnRW — HUBBLE (@HUBBLE_space) May 2, 2018

New month, new @CopernicusEU ?️#Sentinel calendar! May features a #Sentinel3 view of Hurricane Harvey over the Gulf of Mexico: https://t.co/5bjhS7G7Pv pic.twitter.com/43eTkT0V9V — ESA EarthObservation (@ESA_EO) May 2, 2018

How do you return a #Mars sample to Earth? It is not easy! It requires multiple missions with orbiters, landers and rovers. We're exploring mission concepts with @NASA, details: https://t.co/VDrhT1y09R(Video […]

This is about a second data release from the Gaia mission last week, details: https://t.co/GJfRXcMUGm – meanwhile the mission continues to map our Galaxy. — ESA (@esa) May 2, 2018

European Space Agency's Gaia mission has helped build a detailed map of the Milky Way containing measurements of nearly 1.7 billion stars. https://t.co/RCqrXEuHyL — Twitter Moments (@TwitterMoments) May 2, 2018