The U.S. military on Friday released a new batch of files related to UFOs, or UAP, the fourth group of documents unveiled in ...

For almost a decade—ever since 2017, when our first known interstellar visitor, 1I/‘Oumuamua, swooped through the inner solar ...

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

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

The coating could be applied on future spacecraft designed to block light from distant stars hosting exoplanets.

High above the remote Pacific Ocean, about halfway between Hawaii and the northernmost part of Australia, an air-launched ...

Recently, two of the powerful men on the planet where space policy is concerned had an exchange on the social media platform ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

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

“Human beings have a remarkable ability to accept the abnormal and make it normal,” observes Ryland Grace, the main protagonist of Project Hail Mary, as he floats alone in interstellar space, millions ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.