An alien star passed through our Solar System just 70,000 years ago, astronomers have discovered. No other star is known to have approached this close to us. An international team of researchers says ...

Planets where alien life could be able to observe human activity on Earth have been identified by scientists. Astronomers from Cornell University estimate there are 29 potentially habitable planets in ...

The logical place for scientists to search for signs of Earth -like alien life is around Sun -like stars, but as new research points out, almost half the Sun-like stars in the universe could present a ...

Scientists have spotted an ‘alien’ asteroid in our solar system, which they believe is the first object to enter our system from another. The asteroid, known as 2015 BZ509 and currently in Jupiter’s ...

Humans have been searching for signs of alien life for many years. From signals from space to potential sightings of unidentified flying objects (UFOs) in the sky, mankind’s curiosity has sought to ...

Australian astronomers say they've found no technological signs of alien life in a study of more than 10 million star systems. Perth-based researchers used the Murchison Widefield Array (MWA) radio ...

A GROUP of 19 “alien” asteroids lurking between Jupiter and Neptune may have come from another star system, according to scientists. The findings come more than two years after astronomers spotted the ...

A mystery alien object that has come from interstellar space has been spotted travelling through the Solar System. The object, thought to be about 12 miles in diameter, is likely to be a comet or ...

Located some 325 light-years from Earth, the exoplanet was unexpectedly discovered with the aid of the European Southern Observatory's (ESO's) Very Large Telescope (VLT). The powerful instrument ...

Something like this only occurs every nine million years. Astronomers say no other star is known to have approached this close to our Sun. This small, old, cool star, is also known as a ''red dwarf''.

No other star is known to have approached this close to us. An international team of researchers says it came five times closer than our current nearest neighbour - Proxima Centauri. The object, a red ...