Water ice is a crucial building block of planetary systems. We've found plenty of it in our own Solar System, in places like Europa, Mars, and wayward comets, but we've never made a definitive ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

Is frozen water scattered in systems around other stars? Astronomers have long expected it is, partially based on previous ...

with the inner four being rocky terrestrial worlds and the outer four being gas and ice giants many times larger than Earth. Our fascination with hunting down more planets in the solar system has ...

Webb’s instruments captured detailed spectral data revealing both the presence and distribution of ice particles across the ...

which may tell us a lot about the diversity and potential habitability of terrestrial planets outside our solar system," Hon says. The researchers also will look through TESS data for signs of ...

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...

Indeed, other planets, dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we experience on Earth, experts told Live Science.

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

NASA's James Webb Space Telescope has made the first-ever and long-anticipated detection of ice outside of our own solar system. The frozen water was found within a debris disk circling HD 181327, a ...

What is the hottest planet in the solar system? If you want to know which is the hottest star in the solar system, this ...