Astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES) in India and elsewhere have conducted a long-term photometric and spectroscopic study of a young stellar object ...

A pair of scientists may have figured out interstellar asteroid ‘Oumuamua’s secret — and it’s not an alien spaceship after all. When the first known interstellar object passed through our Solar System ...

Scientists conclude that interstellar object ‘Oumuamua must be very elongated because of its dramatic variations in brightness as it tumbled through space. NASA/JPL-Caltech Scientists have found more ...

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, leaving a lasting imprint on the orbits of our planets. This intriguing ...

A team of aerospace and mechanical engineers from the University of Arizona, California Institute of Technology, Project Pluto and the Planetary Science Institute has found evidence strongly ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

It could take humanity hundreds, if not thousands, of years to develop the capability to explore interstellar space. Until then, interstellar space can just come to us. A new study by two Harvard ...

Sometimes a space cigar is just a cigar – unless it’s a cookie. The mysterious object that blew into our solar system in 2017 and had at least one astrophysicist speculating about alien origins has ...

The next time a space rock races through our solar system from beyond, humans will be a little more prepared to unlock its secrets. To date, astronomers have identified two interstellar objects that ...

A new study from BYU professor of physics and astronomy Darin Ragozzine and former undergraduate student Maia Nelsen provides new insight into the structure of objects in the Kuiper Belt. Using data ...

Interstellar object ‘Oumuamua first captured our attention when it whizzed through our solar system more than two years ago. Apparently, it’s still not done making headlines. According to a new study, ...