Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

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

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet ...

The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.

Space X’s IPO filing laid out a bonus structure that was dependent on the Elon Musk’s ability to take mankind to mars.

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

NASA has revealed a 328-foot-wide hole on Mars, potentially a gateway to subterranean caves that could harbor alien life. These pits, formed by meteor impacts, might offer protection from harsh ...

This study marks a significant step forward in the search for extraterrestrial life Could Mars, once a warm and wet world, still harbour life? A team of scientists led by Andrea Butturini believes so.