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, ...

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...

One of the film’s most memorable scenes shows Cooper sending messages to his daughter from inside a black hole. While the sequence was designed as science fiction, new research suggests the underlying ...

Comet 2I/Borisov, the second-ever discovered interstellar object, has a familiar look to it, similar to the other comets that are common throughout our solar system, according to a new study. This ...

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 ...

Somewhere in the galaxy, in a place colder than anything our solar system has ever produced, a ball of ice took shape.

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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 ...

A rocky visitor from beyond our solar system is leaking water like a "fire hose running at full blast," a new study reports. Using NASA's Neil Gehrels Swift Observatory, scientists have for the first ...

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 ...

We have the means today to fly a spacecraft by an interstellar object visiting our solar system, a new study concludes — and we could have done it already with comet 3I/ATLAS. Flyby reconnaissance of ...