So-called M dwarfs are the most common stars in the Milky Way. A research team has determined around which of them Earth-like ...

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Mercury’s risk of orbital disruption rises by 50–80%. There’s a 0.3% chance Mars could be lost through collision or ejection, ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is only the third to be found on the outskirts of our galaxy's dense ...

But researchers have just demonstrated that once you are far away from the planets of the Solar System, there might be a ...

Source of the radio waves was tracked to a location that matches that of NASA’s defunct Relay 2 spacecraft, which launched in ...

July is an excellent month for astrophotographers. The clear summer skies and warm nights help, but what will excite night sky-watchers are its three meteor showers, striking lunar conjunctions and ...

A new image from NASA composed of different wavelengths created a stunning image of Andromeda. “This new image of M31 is ...