NASA has quietly hit pause on what it billed as its first dedicated hunt for alien biosignatures, reacting to fresh data that ...

NASA has shared its long–awaited images of the mysterious object zipping through our solar system – finally confirming its true identity. Since it was first spotted in July, the object – dubbed ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...