Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

Recent scans of interstellar visitor 3I/ATLAS by the Green Bank Telescope show no radio signals, yet astronomers argue it is ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to ...

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

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

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

The vulturine guinea fowl’s electric blue feathers are not pigments. Scientists reveal how microscopic structures manipulate ...

A Tribune review of court filings, databases and other public records detailing the scope of the incursion and typical costs shows how much the federal government has spent since September.

Astronomers tracking 3I/ATLAS, the third confirmed interstellar object ever observed, say new measurements of its water loss ...