Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

The James Webb Space Telescope, the most powerful space telescope ever built, has picked up highly unusual readings from an object moving towards the inner solar system. These readings have sparked a ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything about it that might align with a hypothetical alien spacecraft.

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

The third interstellar object ever observed is in our neighborhood—for now. And, asteroid Bennu could contain dust from ...

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

Harvard astronomer Avi Loeb argued interstellar object 3I/ATLAS "could either visit us or release some mini-probes that ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising to astronomers because most would predict the distant icy worlds to be ...

New telescopes will give breathtaking insight into what, or who, is visiting Earth's neighborhood. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...