According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Scientists Uncover a Hidden Microbial World ...

A mysterious radio signal from a distant planet has sparked excitement among astronomers, hinting at the tantalizing ...

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...

Measurements and data collected from space can be used to better understand life on Earth. An ambitious, multinational research project has demonstrated that Earth's biodiversity can be monitored and ...

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ingredients were mingling with water almost right from the start.

This would render half the planet too hot for life, the other half too cold. The midline, though, might be temperate enough for life. As it happens, there’s a rocky planet, called Proxima ...

NASA’s OSIRIS-REx mission delivered samples from asteroid Bennu, revealing crucial molecules linked to life, including amino ...

During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

This week, explore what lurks in asteroid dust, marvel at the world’s largest beaded burial, discover an elusive creature ...

“One of the goals [of astrobiology] is to go to [other worlds] and look for microorganisms, but in the meantime there’s so ...