On October 19, 2017, astronomers discovered the first known interstellar object to visit our solar system. First spotted by the Panoramic Survey Telescope and Rapid Response System 1 (PanSTARRS1) ...

Since it was first detected hurling through our solar system, the interstellar object known as 'Oumuamua has been a source of immense scientific interest. Aside from being extrasolar in origin, the ...

Astronomers at Yale and Caltech say that ‘Oumuamua, the much-discussed interstellar space rock, is best viewed as a comet with odd properties — and not an alien probe, as has been suggested. ‘Oumuamua ...

A NASA JPL researcher has calculated that Oumuamua was probably a cloud of debris and not an interstellar space sail fragment. There was a Harvard research theory that Oumuamua was an interstellar ...

It is part of the human experience to slowly realize we are each an isolated mind in a sea of other isolated minds, and then to spend our lives trying to cross the mighty gulfs between ourselves and ...

The second interstellar object on record has visited our solar system, according to astronomical observations made in recent week. But how does this new visitor differ from ‘Oumuamua, the first ...

This artist’s impression shows the first interstellar object discovered in the solar system, ‘Oumuamua. (NASA / ESA / Hubble Illustration / M. Kornmesser) The cigar-shaped object known as ‘Oumuamua ...

In our Solar System, the planets, moons, asteroids, comets and other masses are all engaged in a great gravitational dance, with the Sun serving as the main source of mass in our local neighborhood.

Without any warning, a mysterious object flew past Earth in October 2017 at a distance of about 15 million miles. By the time astronomers discovered the cigar-shaped object, it was already careening ...

This article originally appeared on Sky & Telescope. The brief interstellar visitor ‘Oumuamua left many mysteries in the wake of its zippy flight through the solar system. The changes in its ...

Early reports of the interstellar visitor 'Oumuamua's odd characteristics led some to speculate that the object could be an alien spacecraft, sent from a distant civilization to examine our star ...