The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

It's been nearly a month since the second interstellar object, C/2019 Q4 (Borisov), was detected. And this newly identified object could potentially be studied, according to a new study. The research, ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

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 ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

A new study notes that interstellar comet 2I/Borisov did break up after it came close to the sun, but seems likely to survive and continue its journey through the Solar System. The research, which can ...

A mysterious intergalactic object could potentially be a “hostile” alien spacecraft that’s slated to attack our planet in November, according to a controversial new study by a small group of ...

Interstellar travel could be possible, scientists say, but not in the way you might think. For decades, science fiction stories have proposed the idea of traveling outside of our known galaxy. This ...

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 ...

As grad school approached for astrophysics senior Atsuhiro Yaginuma, he did not know what he wanted to study. That was until July 1, when the third ever interstellar object — a body originating from ...