A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Given that by conservative estimates our galaxy harbors at least 200 billion ... like the original star cluster in which our own solar system formed. But early such clusters are tumultuous places.

Scientists found an intriguing world in our galaxy.

A collision with close by galaxy could open the Milky Way galaxy's black hole which could result in our solar system hurling into space. However, this collision could take up to two billion years ...

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New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

While most objects in our solar system orbit the same plane ... And we've even observed fluctuations of starlight in our own galaxy, which primordial black holes could explain.