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

A U.S. company has launched the first system to test hypersonic vehicle materials against real weather before flight at ...

The internet is going abuzz over a mysterious flying object that appeared to be flying over the Southwest — and made a ...

One dusty New Mexico summer rewired how America looks at the sky.

The book Flying Saucers from Outer Space, written by author Donald E. Keyhoe in 1953, was the first to use the term “UFO." ...

Harvard astronomer Avi Loeb has been appointed by the White House to lead a team investigating unidentified anomalous ...

Seventy years ago, Earth had only one satellite: the moon. Now it has more than 15,000—about 10,000 of which are owned by Elon Musk's SpaceX. The world's first trillionaire plans to launch 1 million ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...