Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

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

When a radio signal leaves a distant planet, it does not immediately travel through empty space. First, it has to pass through the turbulent environment surrounding its home star, and that short ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research group comes out with a paper helping to shape what is becoming one of the ...

The James Webb Space Telescope has uncovered a remarkable difference between sunrise and sunset on the ultra-hot exoplanet WASP-121 b. (An artist’s impression of WASP-121 b.) Credit: Mikal Evans James ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

After the famed Betty and Barney Hill encounter in 1961, alleged alien abductions were everywhere—and most of the tales followed the same patterns.

We found an alien trapped in ice using a metal detector. How did the aliens get under the ice? We will try to find things that prove the existence of aliens. What will we find under the ice with a ...

Abstract: Radar sensors and micro-Doppler signatures have been widely used to recognize human motions. Apart from the motion classification task, human motion detection has attracted much attention as ...

Getting a clean bill of health from a medical scan doesn’t always mean you’re healthy – sometimes the scanner just missed it. The same problem applies to searching for life on other planets, and until ...