A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its ...

Scientists have long relied on tree rings to learn about ancient solar storms—rare bursts of high-energy particles from the ...

In the early hours of December 19, 2025, a rare interstellar object known as 3I/ATLAS will make its closest approach to Earth ...

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That is in light of new climate models, and observations that suggest that liquid ...