Two separate observations attempting to detect sodium turn out to be conflicting evidence for the existence of a liquid water ocean on Enceladus, an icy moon of Saturn.
Optical, infrared, and X-ray observations reveal an important clue in the birth process of galaxies.
A recent astronomical survey shows that Venus has no natural satellites more than a few hundred meters large.
Slower rivers of gas under the surface of the Sun may explain the lack of sunspots so far for this solar cycle.
A usually dormant magnetar has been discovered only 15,000 light-years away.
Astronomers might be able to check whether iron forms a solid smooth crystal around a neutron star using X-ray crystallography.
A new radio transient has been discovered in the nucleus of the nearby starburst galaxy Messier 82.
Astronomers may have observed weather on the brown dwarf SIMP 0136.
Data collected with one instrument at one wavelength over the last 15 years indicate that the size of the star Betelgeuse has been shrinking.
A planet in another galaxy is discovered through detection of microlensing effects.
