Recent sightings of unidentified aircraft in New Jersey and other states have triggered another round of unanswered questions — and fueled conspiracy theories.
A signal beamed at Earth from Mars in 2023 has finally been decoded by a father and daughter team in the United States.
While such organisms may or may not exist in the universe, the research has important implications for future human endeavors in space.
The vital ingredients for life on Earth may have been delivered by meteorites from larger bodies called "planetesimals" in the early solar system. The discovery could assist in the search for alien life.