A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial body from beyond our solar system ever to be observed ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation Sagittarius, and is only the third of its kind ever seen, according to Live Science.

An interstellar tourist is taking a quick trip through our solar system, becoming one of just three known objects to ever do so, according to NASA. A comet from a solar system outside our own was first noticed on July 1 by a NASA telescope located in Rio ...

Astronomers have spotted a new comet, moving on a trajectory that indicates that it whizzed into our solar system from interstellar space and is just passing through. It's only the third time scientists have discovered this kind of visitor from outside our ...

In 2018, NASA scientists launched the Parker Solar Probe on what they call “a mission to touch the sun.” Since then, the spacecraft has looped around our star 21 times, with the research team nudging the craft’s orbit ever closer to the solar surface.