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

Saturn is among the worst offenders. With its giant system of rings and moons and its extremely orderly magnetic field, the ...

Directed by Steven SpielbergAn ordinary lineman becomes obsessed with mysterious visions after witnessing a UFO, while a ...

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Military and commercial pilots are increasingly treated as star witnesses in UFO debates, but psychologists warn their dramatic testimonies cannot, on their own, prove alien visitors.

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the strangest corners of Earth, where researchers on several continents are using ...

FIRST ON THE DAILY SIGNAL—Iranian national Sharon Gohari pleaded guilty on Tuesday to unlawfully smuggling illegal immigrants into the United States—including one with ties to the Islamic ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. The James Webb Space ...

If a genuine extraterrestrial signal ever arrives, the hard part may not be detecting it, but understanding what it means. That is the central idea behind a NASA History Series book that explores how ...

The first alien signal humanity detects might not come from a thriving civilization, but rather from one in decline, possibly sending a cry for help. That’s the central idea behind a new paper by ...

This is a tale as old as time, or at least as old as the space age: a strange object flies into our solar system, telescopes focus, and before the scientific community can confirm the data, the ...