The exact nature of the bizarre interstellar object ‘Oumuamua remains a mystery. There’s been no shortage of ideas, but now astronomers at Yale and the University of Chicago have proposed that it’s a brand new type of object: a hydrogen iceberg.

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The launch of the SpaceX Demo-2 mission to the ISS marks two historic events. It is the first manned launch from American soil since the retirement of the Space Shuttle fleet in 2011, and the first ever manned commercial mission to go into orbit.

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ESA’s Solar Orbiter is set to have a chance encounter with the tails of a disintegrating comet. The probe is currently en route to the inner solar system and has had instruments rushed through commissioning to be ready for the unexpected rendezvous.

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According to the results of a new study, stars orbiting near the centers of massive clusters have a much harder time forming planets than their smaller siblings located nearer the edge, and they may have themselves to blame.

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A team of international researchers has confirmed the existence of an Earth-like exoplanet only 4.2 light-years from the Sun. The ESPRESSO spectrograph found Proxima b has a mass of 1.17 Earths and orbits in the habitable zone of Proxima Centauri.

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Exoplanet discoveries are a dime a dozen – but we don’t see many being de-discovered. Now, an exoplanet observed by Hubble for 10 years has apparently vanished without a trace, leading astronomers to suggest it may never have been a planet at all.

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The Intelsat 901 has returned to service less than two months after is historic docking with Northrop Grumman's first Mission Extension Vehicle. Now in a new orbit, the 19-year-old communications satellite will continue to operate for five more years.

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The Spitzer Space Telescope was decommissioned on Jan. 30 this year, after more than 16 years in operation. Now NASA has released the observatory’s last-ever mosaic image, giving us a glimpse into how it works and revealing new features of a nebula.

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NASA has announced that the Demo-2 Crew Dragon mission will lift off atop a Falcon 9 rocket from Launch Complex 39A at the Kennedy Space Center in Florida on May 27, 2020, at 4:32 pm EDT with NASA astronauts Robert Behnken and Douglas Hurley aboard.

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Almost 30 years of observations has revealed that a star in the center of the galaxy orbits the supermassive black hole Sagittarius A* in a rosette, or spirograph shape. The find once again confirms a prediction made by Einstein’s General Relativity.

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