Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

It ultimately was successful, with NASA correctly predicting that it is possible to redirect celestial objects. The asteroid known as Dimorphos was approximately the size of the Great Pyramid of Giza, ...