Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

NASA has selected three companies to fly four robotic lunar lander missions worth nearly $600 million as part of its lunar ...

NASA officials said Tuesday that they are seriously considering sending the full-scale engineering model of the Perseverance ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

Interplanetary travel to Mars aboard nuclear-powered spaceships may sound like science fiction – yet NASA is planning to make ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...