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.

This is the second of three feature articles Ars is publishing to explore the financial, technical, and competitive ...

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 ...

The next test flight of SpaceX’s Starship spacecraft and Super Heavy booster could take off as soon as Thursday, and much of ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

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

Explore the risks of Mars missions on brain health and understand how space travel can impact neurological functions during deep space exploration.

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

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Filming is now officially underway on the second season of Alien: Earth, and FX Networks has released a first ...