NASA scientists are facing questions after the Hubble Space Telescope spotted an unexpected feature on the interstellar ...

I/ATLAS, the interstellar object discovered in 2025, reveals the estimated population, composition, and distribution of ...

Hubble images from December 2025 show interstellar object 3I/ATLAS releasing two narrow jets of material as it moves away from the Sun, raising questions about rotation and activity ...

A rare visitor from beyond our solar system has reignited both scientific curiosity and public fear with confusing claims ...

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

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.

Hoag's Object is a rare ring galaxy, very far from Earth. It has a central core of older, red stars surrounded by a ring of younger, blue stars. Ring galaxies may form from galaxy collisions, but Hoag ...

For over two months, astronomers have been closely following an interstellar object — dubbed 3I/ATLAS — as it screams through the solar system at a breakneck speed. The unusual visitor was only the ...

It might sound a little clinical, but object permanence is just one of many important developmental milestones you get to enjoy with your little one. In a nutshell, object permanence means your baby ...

A mysterious object will fly past the Earth tomorrow and scientists still aren't quite sure what it is. The object, dubbed 2020 SO by astronomers, will come within "just" 31,605 miles of our planet at ...

Two unidentified objects have been shot down over North America in the past two days in the aftermath of the Chinese surveillance balloon that was taken down over the Atlantic Ocean after crossing the ...