Alien civilizations, cosmic signals, and megastructures drive this deep search for intelligent life beyond Earth. The video ...

A new analysis of NASA's Deep Space Network finds Earth's strongest radio beams align with planetary line‑ups, boosting the chance alien civilisations could detect us and suggesting where and when we ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...

The Duga system, built near the infamous Chernobyl Power Plant, is a towering relic of the Cold War.

Scientists may have discovered how extraterrestrial civilizations could actually detect and find Earth.

Astronomers estimate there are 10 billion Earth-like planets in the Milky Way, increasing the statistical likelihood of ...

SIMON: Neil deGrasse Tyson, his new book "Take Me To Your Leader: Perspectives On Your First," - (laughter) I just noticed first, as opposed to... TYSON: (Laughter). SIMON: ...Only alien encounter.

Radio astronomer Zane Zaminsky (Charlie Sheen) detects a cosmic signal suggesting extraterrestrial intelligence. His quest ...

Memorial Day is a special time on the American calendar when we take a moment to think about and pay tribute to those who ...

If they hadn’t finally shown themselves at the end of the movie—in a sky-filling, strobe-lit mother ship too awe-inspiring to conceal—there’s no doubt the U.S. government would have gone on hiding the ...