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

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

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

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

A comet the size of Manhattan has been detected hurtling through the solar system, marking only the third time an ...

NASA has since confirmed the object is an interstellar comet called 3I/ATLAS – and it is only the third interstellar object ...