NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

A mysterious metal shard captured the imagination of the American public, because it was supposedly from a 1947 UFO that crashed on Earth. The sample seemed to have an unprecedented material structure ...

SETI isn’t “going to meet aliens.” It’s listening for artificial radio signals and other measurable clues that point to technology. Those clues are called technosignatures—and the darkest category is ...

The MarketWatch News Department was not involved in the creation of this content. -- Tuttle Capital has launched the UFO Disclosure ETF (UFOD), an actively managed fund investing in companies linked ...

Modiphius Entertainment has confirmed the release window for their latest TTRPG release, Five Parsecs From Home: Planetfall. The company announced the latest edition of the minimalist title, which you ...

An interstellar visitor is facing its trial by fire today, and one of the world's most prominent astronomers is watching for the verdict. Some believe the object, 3I/ATLAS, may be about to unveil ...

Some discoveries upend our sense of reality—none more so than 3I/ATLAS, a cosmic wanderer sparking wonder and controversy in equal measure. Astronomers are now grappling with a set of mysteries so ...

Some evidence of life from outside our planet is hard to ignore, and after the planetary defense system captured something around Jupiter that is coming to Earth, theories of alien technology ...

Add Yahoo as a preferred source to see more of our stories on Google. One thing about 3I/ATLAS is for certain: It's definitely not from Earth's solar system. But what exactly is the intriguing ...

Astronomers spotted a rare interstellar object called 3I/ATLAS zooming into our solar system this July—only the third time something like this has happened. Harvard's Avi Loeb stirred up curiosity by ...