A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Instead ChatGPT has become perhaps the most successful consumer product in history. In just over three years it has ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

Physicists discovered that the famous 'Star Trek' spaceship got a lot right about designing a ship to jump from galaxy to ...

The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

It's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...