An international group of researchers including University of Arizona astronomers, using NASA's James Webb Space Telescope, has observed the atmosphere of a hot and uniquely inflated exoplanet. The ...

Scientists say they have identified the main process that formed the moon's atmosphere and continues to sustain it today. The team reports that the lunar atmosphere is primarily a product of 'impact ...

The moon has a thin atmosphere that needs constant replenishing, as its atoms often escape to space due to the weakness of lunar gravity. Scientists know that various weathering processes can send ...