An alien weapon has been found on Mars, according to a top UFO researcher. RadarOnline.com can reveal an image taken by NASA's Curiosity rover shows a long, narrow formation protruding from rocky terrain, and a UFO specialist believes it could be evidence of a long-ago conflict on the Red Planet.

Humans have been searching the stars for alien radio signals for decades — and so far, E.T. has not phoned home. But that doesn’t mean intelligent life isn’t out there, a new study hints. Rather, something else could be interfering: according to the ...

An unusual long line of illuminous lights caught the attention of people across the UK

NASA’s Pandora mission has begun its hunt for secrets hidden in exoplanet atmospheres. The spacecraft will study at least 20 alien worlds and their host stars, helping scientists separate planetary signals from stellar interference.

Nearly two dozen ‘Earth-like’ planets that could be crawling with alien life have been identified by scientists. Exoplanets are what scientists call worlds that orbit other stars (though some are ‘rogue planets’ that don’t orbit anything at all).

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, Neptunian planets with gassy atmospheres and rocky cores, and ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

Investor excitement around the SpaceX IPO is colliding with peak Elon Musk futurism after a new social media post featuring his musings about light-speed travel and exploring alien worlds. In a social media post Monday afternoon, Musk leans into his long ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places is to study them through telescopes. And that’s not an ...