A team of astronomers from Cornell University and the American Museum of Natural History has identified 1,715 stars within 100 parsecs (326 light-years)...
A young open cluster called NGC 2516 has a classical tidal radius of 10 parsecs (33 light-years) and a halo of stars spanning at least 500 parsecs (1,600...
Using astrometric, photometric and optical spectroscopy data from ESA’s Gaia mission and the 2MASS survey, astronomers have discovered a large, populous,...
Recent results based on data from ESA’s Gaia mission have revealed that the stellar content of the inner halo of our Milky Way Galaxy is dominated by...
Astronomers using data ESA’s Gaia mission and NASA’s Near Earth Object Wide Field Infrared Survey Explorer (NEOWISE) have created a map of the outermost...
Astronomers from the Gaia Gravitational Lenses group have identified 12 quadruply-imaged gravitationally-lensed quasars using machine-learning methods...
The two newly-discovered pairs of quasars, J0749+2255 and J0841+4825, existed 10 billion years ago and resided in the cores of merging galaxies, according...
Astronomers have detected lithium in the atmospheres of four cool and old white dwarfs, of which one also displayed atmospheric potassium. The relative...
Astronomers using the NASA/ESA Hubble Space Telescope have found evidence for dozens of stellar-mass black holes lurking in the core-collapsed, globular...
Using data from the Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) and ESA’s star-mapping satellite Gaia, astronomers have discovered...
Astronomers from the Gaia Data Processing and Analysis Consortium released today the most detailed ever catalogue of Milky Way stars. The new data set,...
Using data gathered by NASA’s Transiting Exoplanet Survey Satellite (TESS) and ESA’s Gaia satellite, a team of U.S. astronomers has identified 1,004...
A team of astronomers from Rensselaer Polytechnic Institute, the University of Pennsylvania, Flatiron Institute, and Queen’s University has spotted two...
In a new study to be published in the Monthly Notices of the Royal Astronomical Society, a research team led by University of Manchester astronomers extended...
A team of astronomers from Israel and the United States has discovered a vast stream of 250 stars of extragalactic origin in the vicinity of our Solar...
Repeated collisions with the Sagittarius dwarf galaxy may have triggered major star formation episodes in our Milky Way Galaxy, one of which roughly coincided...
Magnetic activity on the Sun leads to solar flares, coronal mass ejections, and other space weather that affects Earth. Similar activity on other stars...
Clusters of supernovas can cause the birth of scattered, eccentrically orbiting stars in outer halos of Milky Way-mass galaxies, according to new research...
Data from ESA’s Gaia star-mapping satellite show that the warped disk of our Milky Way Galaxy precesses, or wobbles, similarly to the motion of a spinning...