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.
Harvard astronomers have suggested that the first known interstellar visitor could be an alien probe.
Originally classed as an asteroid, the object known as 'Oumuamua is now believed to be a comet.
An asteroid believed to be from another solar system has been found orbiting the Sun in the wrong direction.
Researchers believe that it is very likely that the interstellar asteroid came from a binary star system.
NASA has activated the iconic interstellar probe's backup thrusters for the first time in 37 years.