Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

NASA has a photo dump of the interstellar comet 3I/ATLAS. It made news in July when it was confirmed to have originated ...

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

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

The object is expected to make its closest approach on December 19, 2025, passing by at a distance of approximately 167 ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

The interstellar object 3I/ATLAS has been the subject of much debate in the scientific community, with some experts ...

A viral video of 3I/Atlas has sparked wild theories, but space scientists break down the real science behind it.

Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its ...