A new study challenges the idea that Hycean planets are ocean worlds. Chemical reactions between hydrogen-rich atmospheres and molten interiors may reduce surface water, making these sub-Neptunes less ...

Exoplanets, celestial bodies that orbit stars beyond the familiar confines of our solar system, continue to captivate scientists around the world. Their diverse and often unexpected attributes offer ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

ARCA's deep-sea sensors near Sicily detect a highly energetic neutrino, potentially revealing secrets about cosmic phenomena ...

Ice core records of atmospheric hydrogen reveal a huge rise in concentration since the Industrial Revolution which has ...

A study of Saturn's atmospheric structure using data from the James Webb Space Telescope (JWST) has revealed complex and mysterious features unseen before on any planet in our Solar System.

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

The WMO Ozone Bulletin reported that the low level of ozone depletion observed in 2024 was partly due to naturally occurring ...

There is much less water on the surfaces of distant planets outside our solar system than previously thought. These ...

The polar vortex itself forms because of Mars’s tilted axis, which creates seasons much like Earth’s. Each northern winter, a ...

The iron-rich core at the centre of our planet has been a crucial part of Earth’s evolution. The core not only powers the ...

A rare glimpse into the wintry conditions of the Mars north polar vortex has shown that temperatures inside the vortex are ...