This planet candidate, Alpha Centauri Ab, could be a gas giant, orbiting 1 to 2 times the distance between Sun and Earth, according to two papers to be...
According to an analysis of the new images from the NASA/ESA Hubble Space Telescope, the nucleus of 3I/ATLAS is between 320 m (1,000 feet) and 5.6 km (3.5...
White dwarfs are the dense cores left behind when stars exhaust their fuel and collapse. They are Earth-sized stellar embers weighing typically half as...
Using two instruments onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have captured new high-resolution images of the planetary nebula...
A striking new image from the NASA/ESA Hubble Space Telescope shows incredible details in the Tarantula Nebula, a turbulent star-birth region located in...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed the Hubble Ultra Deep Field (HUDF), an area of deep space with nearly 10,000...
The Hubble team has released a stunning new image snapped by the NASA/ESA Hubble Space Telescope of the face-on spiral galaxy NGC 1309.
This Hubble shows...
The newly-discovered intermediate-mass black hole, named NGC 6099 HLX-1, resides in a compact star cluster on the outskirts of the elliptical galaxy NGC...
Named L 98-59f, this planet is a non-transiting super-Earth with a minimal mass of 2.8 Earth masses on a 23-day orbit inside the habitable zone of the...
The NASA/ESA Hubble Space Telescope has produced an outstanding image of the barred spiral galaxy NGC 3285B.
This Hubble image shows NGC 3285B, a barred...
The radius of a planet is a fundamental parameter that probes its composition and habitability. Precise radius measurements are typically derived from...
A new image from the NASA/ESA Hubble Space Telescope features NGC 1786, a globular cluster located in the constellation of Dorado.
This Hubble image shows...
To mark its third year of highly productive science, astronomers used the NASA/ESA/CSA James Webb Space Telescope to image a portion of the Cat’s Paw...
NASA’s Lucy mission continues to analyze images collected during the spacecraft’s April 20, 2025 encounter with the carbonaceous asteroid Donaldjohanson.
Donaldjohanson...
Abell 209 is a massive galaxy cluster located about 2.8 billion light-years away in the constellation of Cetus.
This Hubble image shows Abell 209, a galaxy...
The hot-Jupiter exoplanet HIP 67522b orbits its parent star, HIP 67522, so tightly that it appears to cause frequent flares from the star’s surface,...
Using the Mid-InfraRed Instrument (MIRI) aboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have captured a stunning infrared image of central...
Astronomers using the NASA/ESA Hubble Space Telescope have produced an outstanding image of the reflection nebula GN 04.32.8.
This Hubble image shows GN...
Present-day disk galaxies often exhibit distinct thin and thick disks. The formation mechanisms of the two disks and the timing of their onset remain open...
Using data from several space- and ground-based telescopes, NASA astronomers have captured a stunning new image of the Andromeda galaxy, which is the closest...
