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

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

We will never get an image of the Milky Way from above, but M81 or Bode's galaxy is a good stand-in – and now is a great time ...

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.

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 ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

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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The Milky Way is a spiral galaxy and our Solar System is about half-way along one of its arms. Our Sun orbits the centre of the Milky Way at about 140 miles every second. It takes about 230 ...

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

Scientists found an intriguing world in our galaxy.