A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Avi Loeb vows to brief public and create website to share findings of team tasked with investigating origins of mysterious ...

NASA has plans for an ambitious moon base where astronauts can live long-term as the agency prepares to send humans to Mars.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

NATIONWIDE — Crew-12 members and NASA astronaut Chris Williams were evacuated to a SpaceX Dragon capsule on Friday as Russia’s space agency was fixing an air leak on the International Space Station, ...

Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

A new NASA audit says the agency will need to purchase more astronaut flights to the ISS by 2030 and focuses on issues with ...

NBC News' Gadi Schwartz talks to NASA program manager Carlos García-Galán about the moon base initiative and the agency's ...