Using the speckle imager ‘Alopeke on the Gemini North telescope, one half of NSF’s International Gemini Observatory, astronomers have captured direct...
Astronomers using the Gemini North telescope at NSF’s International Gemini Observatory have captured 3I/ATLAS as it makes its temporary passage through...
For a century, astronomers have been studying Barnard’s star in the hope of finding planets around it. First discovered by E.E. Barnard at Yerkes Observatory...
The newly-discovered radio jet spans an astonishing 215,000 light-years, and is associated with J1601+3102, an extremely radio-loud quasar that existed...
Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini North telescope at NSF’s International Gemini Observatory, operated by NOIRLab, astronomers...
Astronomers using the Gemini North telescope at the International Gemini Observatory have imaged NGC 4449, a prime example of starburst activity caused...
Astronomers have discovered a pair of merging quasars seen only 900 million years after the Big Bang. Not only is this the most distant pair of merging...
Astronomers using archival data from the Gemini North telescope have measured a binary supermassive black hole located within the elliptical galaxy B2...
Astronomers using the Gemini North telescope have found the remnants of 106 galaxies as they transition into ultra-compact dwarf galaxies.
Strongly nucleated...
Active galactic nuclei are primarily powered by a supermassive black hole lying at the center of a host galaxy that is accreting matter from its vicinity....
A supernova dubbed SN 2023ixf was discovered on May 19, 2023 by the Japanese astronomer Koichi Itagaki.
SN 2023ixf (lower left) exploded in one of the...
Using the NASA/ESA Hubble Space Telescope and other space and ground-based observatories, astronomers have discovered SDSS J0749+2255, a closely bound...
Gamma-ray bursts (GRBs) come in two varieties, long and short. Long GRBs, which last a couple of seconds to one minute, form when a star at least 10 times...
Gaia BH1 has a mass of 9.62 times the mass of the Sun and is orbited by a bright Sun-like star at about the same distance as our planet orbits the Sun....
The very first stars likely formed when the Universe was only 100 million years old. Known as Population III stars, these stellar objects were so massive...
Astronomers using the Gemini North telescope, one of the twin telescopes of the International Gemini Observatory, have captured a stunning image of a pair...
Astronomers have discovered a new ultra-faint dwarf galaxy in the constellation of Pegasus and characterized it using deep imaging with the Gemini Multi-Object...
An international team of planetary researchers led by University of Oxford scientists has performed an analysis of visible/near-infrared observations of...
Astronomers using the Gemini North telescope have captured this vivid image of the strangely lopsided spiral galaxy NGC 772.
The overdeveloped spiral arm...