Aliens have long been a staple of science fiction. Yet the possibility of intelligent life beyond Earth is more than a matter of imagination—it is also a subject of serious scientific inquiry.

Thirty years after the first exoplanet was found in 1995, NASA's counter of confirmed worlds outside our Solar System crossed ...

A breakthrough in telescope imaging could reveal countless alien worlds that have been hiding in plain sight. Scientists developed a new technique that uses a digital twin of the James Webb Space ...

Could our earliest radio broadcasts have been heard by alien worlds? Researchers suggest the waves have travelled over 100 ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas giants hugging their stars to planets covered in lava or clouds of gemstones, ...

Findings from a study on a meteorite that hit a New Jersey home in 2024 has come back saying it holds prebiotic molecules and other building blocks of life. NBC News' Gadi Schwartz talks to the lead ...

Meteorite fragments recovered from a New Jersey home several years ago — but kept quiet until last week — apparently hold "alien world chemistry," scientists revealed. Researchers at the SETI ...