The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

An instrument built by the University of Colorado Boulder will soon launch on a NASA space mission where it will aim to collect interstellar dust particles hurtling through space at an average of 16 ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

NASA's IMAP mission will give Earthlings a sort of early warning system when solar weather may affect satellites and global ...

Comet 3I/ATLAS is the third confirmed interstellar object to pass through our solar system, following the discovery of ...

The Interstellar Mapping and Acceleration Probe (IMAP) is being launched later this month to study the outer reaches of the ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

In the swirling clouds of gas and dust that surround newborn stars, planets begin to form. These planet-forming disks are ...

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 ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Astronomers worldwide are tracking 3I/ATLAS, the third confirmed interstellar object, currently traversing our solar system.