Unlike 'Oumuamua and Borisov, these hypothetical interlopers have ... When this happens, the number of objects entering the solar system will increase exponentially for a time because the gap ...

These hypothetical meteors ... though these things are probably in our solar system, they're just a tiny, tiny fraction of all the asteroids and other objects that are out there," said Wiegert.

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

The Kuiper Belt object Altjira was thought to be a binary ... Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of ...

The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of our solar system. But while it has been accepted as a theory for over 70 years ...

And tantalizingly, what they found suggests that our solar system may already be flooded with visitors from the star system, which is about 4.25 light years away. These objects range from ...

Known as Planet Nine or Planet X, it is a hypothetical planet that has long been rumoured to exist in the outer solar system ... in Japan detected a series of objects in the Kuiper Belt ...