Astronomers have confirmed the discovery of an "interstellar object" named 3I/Atlas passing through the inner solar system.

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Using a powerful telescope in Hawaii , the European Space Agency (ESA) has now captured the first video of 3I/ATLAS as it ...

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

Astronomers spot a mysterious object from interstellar space. The object, 3I/Atlas, is traveling at 60 km/s. It poses no ...

In the predawn hours of July 1, 2025, a faint streak of light caught the attention of astronomers peering through data from a ...