These tiny metallic spherules were found during the search for the remains of IM1 - the first recognized interstellar meteorite.
Loeb and his team have been searching for the debris of an interstellar meteor that they suspect may be alien in origin.
Scientists believe that they have definitively proven that the interstellar visitor 'Oumuamua was not an alien spacecraft.
A meteor from another solar system landed on Earth back in 2014, but obtaining more information about it has proven challenging.
Harvard astronomer Avi Loeb and colleague Amir Siraj believe that they have identified another interstellar visitor.
Harvard physicist Avi Loeb has suggested that some interstellar meteorites could be artificial in nature.
New data released by the US Space Command (USSC) has confirmed a close encounter with an interstellar visitor.
A philosopher is setting up a library with the goal of encouraging an interstellar cultural exchange with aliens.
The cigar-shaped interstellar visitor has remained a topic of heated debate among scientists for several years.
One of the foremost explanations for the nature and origin of the interstellar visitor has been cast into doubt.
A new study has highlighted the potentially violent origins of this mysterious interstellar visitor.
NASA has released two new images showing interstellar comet Borisov traveling through our solar system.
A space probe designed to venture into the interstellar void could launch within as little as ten years.
Astronomers have determined that comet 2I/Borisov could be carrying water from a distant solar system.
Astronomers have revealed that comet 2I/Borisov is remarkably similar to comets from our own solar system.
An amateur astronomer has discovered what is believed to be a comet that has come from a distant solar system.
Scientists have revealed that a meteor from another star system may have collided with the Earth 5 years ago.
NASA has confirmed that the probe has become the second spacecraft ever to leave the heliosphere.
SETI has been attempting to determine if the first known interstellar visitor is under intelligent alien control.
On November 16th 1974, the Arecibo Observatory sent a message of greeting towards globular star cluster M13.