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

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

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 ...

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 ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles ...

NASA just dropped a trove of new images of interstellar Comet 3I/ATLAS, as seen by some of the space agency’s spacecraft. The ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

Getting time on the James Webb Space Telescope (JWST) is the dream of many astronomers. The most powerful space telescope currently in our arsenal, the JWST has been in operation for almost four years ...