For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. Observations from ESO's Very Large Telescope in Chile and other observatories ...

When the first object ever known to have visited the Earth's solar system from outer space zoomed past in 2017, it was so strange that at least one leading astronomer was convinced it was an alien ...

An artist’s conception shows what the interstellar asteroid ‘Oumuamua might look like. (ESO Illustration / M. Kornmesser) Update: Scientists say the interstellar asteroid known as ‘Oumuamua is like ...

Back in October, the announcement that the first interstellar asteroid triggered a flurry of excitement. Since that time, astronomers have conducted follow-up observations of the object known as ...

For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. Observations from ESO’s Very Large Telescope in Chile and other observatories ...

The first definitely interstellar object 1I/’Oumuamua (previously A/2017 U1) observed in our solar system provides the opportunity to directly study material from other star systems. Can such objects ...

On October 18, telescopes on Earth spotted a strange object passing near the sun: one that seemed to hail from another star system. Astronomers rightfully got excited, since their observations could ...

Over the past few days, I have been hearing a lot about a visitor from deep space that passed through our solar system. Basically, the Pan-STARRS 1 telescope in Hawaii spotted an object in the sky ...

For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. Observations from ESO's Very Large Telescope in Chile and other observatories ...