10 September 2018
IAU wrong about Pluto's planetary status say scientists
... to the Kuiper belt; a ring of debris littered with objects of varying sizes that sit beyond the orbit of Neptune. Later, discoveries of other Kuiper Belt Objects with masses roughly comparable to Pluto, such as Quaoar, Sedna and...
11 December 2018
Voyager 2 joins its twin in interstellar space
... in the tank, the probes were pushed on further to study the two outermost giant planets, Uranus and Neptune. Since then the two have been surveying all in their path as they continue on a most unexpected journey...
19 December 2018
Saturn's iconic rings are dying fast say scientists
... at an alarming rate. Saturn is not the only planet in our Solar System to have rings; Jupiter, Uranus and Neptune each have rings too. But at 282,000 kilometres (175,000 miles) across and scattered with...
01 May 2019
Evidence for first confirmed exomoon under question
... researcher René Heller and colleagues, backed up the findings by saying that “strong statistical evidence for a roughly Neptune-sized exomoon,” was in agreement with their analysis. However, the support for declaring an official find stopped...
27 July 2019
Hundreds of new planet candidates detected by Kepler
... describes what seems to be an apparent lack of planets with sizes between 1.5 to 3.8 Earth radii – the super-Earth to mini-Neptune class of exoplanet. Why would planets of this size appear to be rare? One explanation to account for the anomaly...
11 September 2019
First detection of atmospheric water vapour on 'super-Earth' in habitable zone
... a mass higher than Earth's, but substantially below those of the Solar System's ice giants, Uranus and Neptune (which are 14.5 and 17 times Earth's, respectively). The term is something of a misnomer though as it refers only to the mass...