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

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

When they first spotted it, the mysterious interstellar comet was travelling at about 137,000 miles per hour. After getting ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

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

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

New images from the Hubble Space Telescope and ESA’s JUICE spacecraft show interstellar comet 3I/ATLAS as it moves through the inner solar system, offering new details about its path, activity, and un ...

While scientists examine the comet's chemistry, telescopes across the solar system are capturing dramatic new images. NASA's ...

Scientists have been fascinated by the third interstellar object to ever known to visit our solar system that is revealing ...

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

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...