I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Might a comet be more than ice and dust? That’s what Harvard astrophysicist Avi Loeb’s request for an unprecedented close monitoring of 3I/ATLAS, the third verified interstellar object to pass through ...

While NASA assures us 3I/ATLAS is a comet and won't cause us any harm, others have described it as ‘possibly hostile’ amid ...

A massive interstellar object hurtling through the solar system may be considerably larger than initial observations suggested, according to a new analysis. It could even have alien technology, ...

It is not at all a given that aliens are far away. Alien probes might be surveilling us closely right now from within our own solar system, deciding whether to open a channel of communication with ...