The interstellar visitor 3I/ATLAS has turned into one of the strangest shows in the sky, shifting to a vivid blue and ...

As a fan of the genre, I can confirm that sci-fi classics like The Matrix, Interstellar and Inception reward endless repeat ...

A decades-old Cold War mystery has exploded back into the spotlight after claims that a landed UFO in Suffolk did not just ...

Some of the earliest large organisms left fossils that seem almost impossible for their setting, fragile bodies captured in coarse, energetic seafloor sediments. A new chemical “fingerprint” in the ...

When some scientists and conspiracy theorists saw the strange trajectory of the space object 3I/ATLAS, some of them thought one thing: aliens. With a bizarre shape, an unusually precise trajectory, ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Hubble telescope shows the comet as a small, bright object in the center of a blue space ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

A federal judge Tuesday ordered Trump ally Lindsey Halligan to explain why she continues to call herself the U.S. attorney for the Eastern District of Virginia even though another judge determined in ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

They’ve got their 3Is on the prize. The highly anticipated data 3I/ATLAS’ Earth tour last month is in. A targeted scan of 3I/ATLAS for signs of radio transmitting tech has come up empty — but Harvard ...