An international team of researchers including the University of Geneva has discovered an exoplanet called HD 20794 d. This super-Earth makes it possible to test new hypotheses about extraterrestrial ...

Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary ...

A new study analyzed how NASA's Habitable Worlds Observatory might be able to confidently spot biosignatures in the ...

Astronomers have catalogued more than five thousand planets orbiting distant stars, and a handful of them defy almost ...

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to the creation of a planet’s magnetic fields, which protect the entire planet ...