Saturn now has 82 known satellites
Solar System
Solar System
Astronomy
What if our Moon had its own moon?
Astronomers have explored the physical and orbital constraints of “submoons” around other moons
Solar System
The most distant object in the Solar System has been discovered
The object, nicknamed Farout, is three and a half times farther away than Pluto
Deep Space
Calibrating the cosmic mile markers
Astronomers need their measurements of type Ia supernovae to be precise in order to correctly measure the expansion of the universe
Deep Space
Distant quasar imaged in unprecedented detail
This quasar could tell astronomers a lot about the state of the early universe and the first-ever galaxies
Deep Space
Lethal stellar flares bombard Earth’s closest exoplanet
In early 2017, Proxima Centauri exhibited a tremendous stellar flare that could have damaged our closest exoplanet, Proxima b
Deep Space
Astronomers try to unravel the mystery behind super-Earths
Observations of the GJ 9827 system contain three exoplanets that could be super-Earths or mini-Neptunes