Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

Researchers used the Green Bank Telescope to study the interstellar comet and found that it exhibits typical cometary behavior, with no unusual features detected ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're coming.

He works in mysterious ways.

Do we really need to make contact with aliens? Every day scientists are sending out signals into space attempting to contact extraterrestrial life, but is that really such a smart idea? Check out ...

The issue features striking wildlife photos highlighting endangered species and fragile ecosystems. Some photos also show once-endangered species bouncing back thanks to conservation efforts. National ...

President Trump on Saturday pointed to a federal law that grants the president broad authority to restrict immigration just days after unveiling a sweeping new immigration agenda. In a Truth Social ...

U.S. President Donald Trump (Credit: Kevin Dietsch/Getty Images) President Donald Trump said he is sending 500 troops to Washington, D.C., on Wednesday after two National Guardsmen were shot in what ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...