Explore the true scale of the Solar System in this video, which illustrates the relative sizes of the planets and their ...

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

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object with interstellar origins that has defied ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth ...

Imagine if our moon was swapped with each planet in the solar system—what crazy changes would happen? Hyundai plant shut down after hundreds of workers arrested in massive ICE raid ...

Everyone, today I saw some astonishing news: scientists say our solar system is actually within a high-temperature bubble ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...

The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as ...

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

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger than Jupiter.