We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there are.

To give you a sense of scale, one AU represents the average distance that separates Earth ... within our solar system and ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth ... a hypothetical Milky Way TDE’s cosmic rays lined up with the solar system, the effects ...

Researchers mapping a bubble of superheated gas that surrounds our solar system found a surprise, there is a tunnel that may ...

Classified as a super-Earth and a sub-Neptune, these two new celestial bodies are among the most common types of exoplanets found in the Milky Way galaxy, yet are absent from our own solar system.

Take a good, hard look at the Milky Way Galaxy in the image above ... Not only will the solar system survive, but Earth will see a spectacular show as the galaxies merge: Andromeda is currently ...

A cosmic anomaly detected in a distant galaxy could portend a terrifying future for life in the Milky Way. The discovery suggests that our models of galactic evolution could be inaccurate.

The new study suggests that miniture solar systems would not necessarily look like our own. This composite of planets in our solar system was ... called the “Cigar Galaxy” because of the ...

Watch this video to find out more about the Earth, planets in our Solar ... which is called the Milky Way. The Milky Way is a spiral galaxy and our Solar System is about half-way along one of ...

A terrifying glimpse at one potential fate of our Milky Way ... solar system could strip away planetary atmospheres, damage DNA and increase mutation rates because of radiation exposure, while if ...