For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

The dwarf planet Sedna will fly nearer the Sun in 2076. A nuclear rocket or a solar sail spacecraft could reach it within 7 ...

Beginning in the 1960s, satellite instruments have measured Earth's reflected broadband shortwave radiation and emitted ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

How light is light? The James Webb Space Telescope has just been able to directly image a planet so light and faint that, in ...

Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...