Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

Astronomers are racing to understand a puzzling rhythmic signal coming from 3I/ATLAS, the interstellar object now moving ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

Harvard scientist Avi Loeb believes that 3I/ATLAS boasts a “heartbeat”-like pulse that could provide evidence of its ...

Astronomers are reporting new findings about 3I/ATLAS, the rare interstellar comet now moving through the outer solar system, as NASA and research institutions expand monitoring of the object's ...

Comet 3I Atlas was discovered by the NASA-funded ATLAS survey telescope in Rio Hurtado, Chile, and reported to the Minor ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

Researchers first identified this cosmic intruder on July 1, thanks to the Asteroid Terrestrial-Impact Last Alert System ...