Only four such objects have been discovered, astronomers say. Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – which ...

Astrophysicist Natasha Hurley-Walker was scanning radio signals across huge swaths of the cosmos in late 2020 when she and her colleagues stumbled on something they had never seen before. In a patch ...

It’s probe-ably nothing. The newly discovered Manhattan-sized interstellar object zooming through our solar system has been identified as a comet — but two Harvard scientists argue there is reason to ...

The mysterious interstellar object hurtling through our solar system has just given scientists more evidence that it may be a craft from another part of the galaxy. According to Harvard astrophysicist ...