Astronomers have discovered an ultra-massive white dwarf with a unique carbon-hydrogen mixed atmosphere. Named WD J055134.612+413531.09 (WD J0551+4135...
Astronomers using data from ESA’s Gaia star-mapping satellite have discovered a newborn gaseous exoplanet closer to Earth than any other of similarly...
Using data from ESA’s Gaia star-mapping spacecraft, a team of astronomers from Austria and the United States has discovered a wave-shaped arrangement...
Our Milky Way Galaxy is orbited by more than 50 companion galaxies. According to new research led by University of California, Riverside astronomers, several...
A runaway star called PG 1610+062 was probably ejected from the Milky Way’s Carina-Sagittarius spiral arm at a velocity of 341.8 mi/s (550 km/s) with...
Astronomers using data from ESA’s Gaia spacecraft have identified a number of clusters, associations and co-moving groups of stars within about 3,300...
Astronomers have announced the discovery of the most massive star ever known to be destroyed by a supernova explosion. Dubbed SN 2016iet, the explosive...
In March 2017, Brazilian National Observatory astronomer Bruno Morgado and colleagues took advantage of the beginning of the Jupiter passage through a...
Hypervelocity stars are solitary stars moving fast enough to escape the gravitational grasp of the Milky Way Galaxy. Discovered in 2014, LAMOST-HVS1 is...
Astronomers using ESA’s Gaia satellite have discovered a large stellar stream that is currently traversing the immediate solar neighborhood at a distance...
Astronomers using ESA’s galaxy-mapping spacecraft Gaia have discovered the first direct evidence that white dwarfs form crystal cores of metallic oxygen...
A young star in the midst of a dramatic growth phase has been observed with the help of ESA’s Gaia satellite and NASA’s Near-Earth Object Wide-field...
Astronomers using data from ESA’s Gaia satellite have discovered a new dwarf satellite galaxy of the Milky Way. The dwarf galaxy, named Antlia 2, is...
Astronomers using data from ESA’s star mapping Gaia mission to look for hypervelocity stars being kicked out of our Milky Way Galaxy were surprised to...
In October 2017, a fast moving, cigar-shaped comet of extrasolar origin was discovered close to the Earth with the Pan-STARRS1 telescope in Hawai’i....
Astronomers analyzing data from the second release of ESA’s star mapping mission Gaia have shown that our Milky Way Galaxy is still enduring the effects...
A duo of astronomers at Leiden University in the Netherlands has deduced the mass of Beta Pictoris b from the motion of its parent star, which lies 63...
A research team led by Harvard University astronomer Li Zeng has shown that water is likely to be a major component of extrasolar planets which are between...
Astronomers have used the NASA/ESA Hubble Space Telescope and ESA’s Gaia space observatory to make the most precise measurements of the expansion rate...
