As our solar system’s interstellar visitor hides behind the Sun, humankind’s expeditions to Mars have stepped up to provide an extra set of eyes. On Tuesday, the European Space Agency announced that ...

Which character is a ghost and which is not? Guessing is fun in the k-drama Light Shop. That’s because a succession of mysterious individuals visit a light shop, the only consistent source of light in ...

Add Yahoo as a preferred source to see more of our stories on Google. According to astronomer Avi Loeb, it's the perfect day to test whether interstellar object 3I/ATLAS is the remnant of an alien ...

A mysterious interstellar object will be visible for a couple more nights before it gets too close to the sun to observe, according to NASA. Comet 3I/ATLAS, the third interstellar object ever detected ...