Astronomers are once again questioning whether our solar system is complete. Subtle gravitational effects suggest something ...

Astronomers detected an object moving faster than anything ever recorded in our solar system. It didn’t orbit the Sun — it passed straight through. Its size, speed, and chemical makeup don’t match ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

“The best estimates suggest Rubin should detect between 5 and 50 ISOs over its 10 year survey, stemming from the ...

Astronomers using NASA's Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young ...

In an unprecedented celestial event, NASA's Hubble Space Telescope (HST) captured the dramatic aftermath of colliding space ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Space forecasters predict that seven states will be able to see the northern lights on Dec. 23. Check if yours is on the list ...

Comet 3I/ATLAS, an interstellar visitor, reaches its closest approach to Earth on Dec 19 at about 167 million miles - visible ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...