This illustration shows a red dwarf star orbited by a hypothetical exoplanet. — NASA source As of late 2025 there are about 70 exoplanets that meet the formal criterion of
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Scientists have developed a better model to understand “steam worlds,” which are planets smaller than Neptune and larger than Earth that are too hot to have liquid water at their
The European Space Agency (ESA) has entered into a €40 million agreement with Avio, an Italian aerospace firm, to develop a reusable upper stage rocket aimed at enhancing Europe’s ability
At first glance, Saturn’s moon Enceladus seems rather unremarkable: it is much smaller than the Earth’s moon and is far away and completely covered in ice.
After 25 years of continuous human presence in space, the International Space Station remains a training and proving ground for deep space missions, enabling NASA to focus on Artemis missions
The top left, top right, and bottom left panels show the high cloud fraction as a function of longitude and latitude for the PI, 1% PAL, and 0.1% PAL scenarios,
In a recent paper, researchers followed the trajectories of 1I/`Oumuamua, 2I/Borisov, and 3I/ATLAS – three installer objects that have entered the Solar System in the past decade – to constrain
The dark skies surrounding this weekend’s new moon phase present an excellent opportunity to spot a trio of star clusters and stellar alignments embedded in the glowing band of the
Observed hemispheric distributions as a function of θ(t) for the 1:1 SOR (LEFT) and the 3:2 SOR with an eccentricity of 0.3 (RIGHT): surface temperature (blue-red), vertically integrated water vapour
Astronomers may be starting to get the goods on lava planets. These fiery worlds share a similar density to Earth but orbit so close to their host stars that their
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