101 Galaxies Later: Why the Milky Way Stands Out in the Universe
New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...
There could be a supermassive black hole in the Large Magellanic Cloud hurling stars at the Milky Way
Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.
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Gaia Mission Measures Metals In Milky Way Stars
Milky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. Credit: ESA/Gaia/DPAC ...
Astronomy: Star with exoplanet may be hurtling out of the Milky Way
A research team may have discovered a star with an exoplanet that is so fast that both will leave the Milky Way.
Gaia Completes Its Stellar Odyssey, Leaving a Cosmic Legacy
The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...
ESA’s Gaia Spacecraft Wraps Up Revolutionary Milky Way Mapping Mission
ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.
Astronomers Track a Runaway Star and Its Planet Traveling at Hyperspeed
The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...
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There could be a supermassive black hole in the Large Magellanic Cloud hurling stars at the Milky Way
Gaia, a mission that has driven substantial progress in our understanding of the Milky Way, came through again. "We find that half of the unbound HVSs discovered by the HVS Survey trace back not ...
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Giant planet or 'failed star?' Newfound mystery world blurs the lines
"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...