NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with ...

Barreling into the solar system at more than 137,000 miles an hour, the comet 3I/ATLAS is only the third confirmed ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels ...

NASA and the European Space Agency (ESA) have a number of telescope assets which have captured images of the interstellar ...

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

NASA Associate Administrator Amit Kshatriya said that despite many rumors about the traveler, it was definitely a comet, not a spacecraft from another star as some have claimed.

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Interstellar comet 3I/ATLAS prompts debate over electromagnetic effects and public health claims—NASA dismisses speculation.

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

NASA on Wednesday released new images of an interstellar comet, just the third visitor ever confirmed from elsewhere in the galaxy, which show the object as a bright point of light surrounded by a ...