President Trump addressed a defense summit at the U.S. Army War College, but he focused more on political themes than ...

On July 16, 2024, a daytime meteor shook New York City with a sonic boom as it passed just south of the Statue of Liberty.

The sci-fi movie “Disclosure Day” predicts that our reaction to intelligent alien life will be chaotic. But what does the ...

Harvard professor Avi Loeb believes his research, which propelled him to the White House, could usher in a ‘new messianic era ...

Space operas are a cornerstone of science fiction, with the very best of them combining epic adventures with character-driven ...

Alas, it’s not a study-abroad course – yet – but exoplanets may provide insight into how life formed on Earth.

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

What are the processes necessary to do so? Can life travel from one planet to another? If so, how? Today's technology brings ...

Jared Isaacman, the administrator of NASA, says the space agency possesses images of unidentified objects that scientists ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.