When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

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

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

On Friday, interstellar comet 3I/ATLAS makes its nearest approach to Earth. Here's what you need to know, and how to track ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

The lawsuit says ICE agents pepper-sprayed, arrested and “even followed observers home to scare them in a tactic lifted ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

When we imagine contact with extraterrestrial intelligence, we tend to picture messages: radio signals, mathematical codes, or perhaps a universal language waiting to be discovered. But what if alien ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook The issue is made up of four stories: “Make a Mark” from Buster Moody and Ludwig Olimbo, “Tornado ...

Humans have a long history of altering their environment by producing an extensive lexicon of geometric and pictographic earthworks. One of the first major discoveries of geoglyphic formations was the ...

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA’s Jet ...