The recently discovered interstellar object 3I/Atlas is set for a close flyby of Mars in October, where it can be observed by ...

Southwest Research Institute (SwRI) has completed a mission study detailing how a proposed spacecraft could fly by an ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

Astronomers observing the interstellar object 3I/ATLAS have detected a faint, teardrop-shaped tail stretching behind ...

Interstellar object 3I/ATLAS shows an unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight ...

Here’s how it works. The new interstellar object 3I/ATLAS is creating quite the buzz. Here's everything we know so far about this cosmic interloper.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

3I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that it's likely a comet.

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat to our planet.