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

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

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

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

After weeks of silence, NASA has officially dismissed speculation that 3I/ATLAS has anything to do with aliens.

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

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

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

Several posts suggested that recent footage showed a rotational pattern around the comet, prompting a wave of questions from ...

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

The exocomet has continued to baffle experts and the lay alike ever since it was first spotted. Researchers like Harvard ...

NASA Scientist Tom Statler termed it “a window into the deep past,” and the phrase has rapidly become the emotional center of ...