Using data from the NASA/ESA/CSA James Webb Space Telescope and the Keck II telescope, astronomers found evidence of cloud convection in the northern hemisphere...
Altjira, also known as 2001 UQ18, is located in the outer reaches of the Solar System, 6 billion km (3.7 billion miles) away, or 44 times the distance...
The candidate planetary system, detected with the microlensing method, is thought to move at least 540 km per second (1.2 million mph).
An artist’s impression...
An Einstein ring (also known as an Einstein-Chwolson ring or Chwolson ring) is created as the light from distant objects, like galaxies, pass by an extremely...
Using data from the NASA/ESA Hubble Space Telescope and the the Keck Cosmic Web Imager (KCWI) at W.M. Keck Observatory, astronomers have identified nine...
The source of the newly-detected fast radio burst, FRB 20240209A, is in the distant outskirts of an ancient elliptical galaxy, which is located 2 billion...
Using data from ESO’s Very Large Telescope (VLT) and Keck telescope, astronomers have discovered a binary star system in the S star cluster close to...
Astronomers using the Keck II 10-m telescope have discovered evidence for an Earth-mass planet and a brown dwarf orbiting a white dwarf star. The planet...
With an estimated distance of 140 parsecs (457 light-years), the L-subdwarf star CWISE J124909+362116.0 (J1249+36 for short) has a total speed of at least...
Ursa Major III/UNIONS 1 (UMa3/U1 for short) is the least luminous and lowest-mass Milky Way satellite ever discovered, and possibly one of the most dark...
Astronomers have detected a mysterious and extremely bright event, named AT2022tsd, in a galaxy approximately 4.4 billion light-years away.
AT2022tsd is...
While the ultraviolet aurora of Uranus has been observed since 1986, no confirmation of the infrared aurora had been observed until now.
An artistic representation...
Neptune is the most distant planet in the Solar System, an ice-giant that boasts an active and chaotic atmosphere. Using archival near-infrared observations...
The giant exoplanet AF Leporis b orbits a 1.2-solar-mass star in the 24-million-year-old beta Pictoris moving group.
The direct image of the giant exoplanet...
Messier 87, a massive elliptical galaxy located approximately 53 million light-years away in the constellation of Virgo, turns out to be triaxial, or potato-shaped,...
Using the NASA/ESA Hubble Space Telescope and other space and ground-based observatories, astronomers have discovered SDSS J0749+2255, a closely bound...
The members of the LP 413-53AB system are so close that it takes just 17 hours to revolve around each other.
An artist’s rendering of two brown dwarfs....
An elongated dust and gas feature named X7 has a mass of about 50 Earth masses and is on an orbital path around Sagittarius A*, the supermassive black...
While close together in cosmological terms at just 750 light-years apart, or 6x the black hole sphere of influence, the supermassive black holes in the...