Eva Villaver

The presence of CO₂ and methane on K2-18 b – detected by the James Webb Space Telescope – suggests that oceans and an Earth-like atmosphere may exist on this exoplanet. However, more comprehensive data is needed to be able to speak about signs of life

The origin of the water that our satellite contains is unknown, but the process of deciphering it will provide clues about how it arrived on Earth

Planetary protection protocols aim to protect the rest of our Solar System from being contaminated by terrestrial life forms

Science enables us to predict the distant future of our planet, which is expected to become a living hell that we can learn a lot from

Astrophysicists say planetary rings are like tree growth rings and help us understand a planet’s history

The process of defining the scientific objectives of these large observatories is complex and comprehensive

A ring-shaped formation rich in molecules reveals its secrets thanks to observations by the James Webb space telescope

Despite its proximity and having been the focus of many exploration missions, there are still many unanswered questions regarding its process of formation

The measurement of time, which is necessary to represent all physical occurrences in the universe, is problematic when dealing with stars

The highest-resolution infrared image ever taken in space proves that the observatory is working as well as the most optimistic models had predicted

The Solar System is sitting at the center of a cavity of hot gas that was formed by exploding supernovae and whose expansion is driving star formation near the Sun

The existence of a new planetary body could explain the peculiar movements of celestial objects orbiting beyond Neptune