Join us on a journey to the Alpha Centauri system,the closest star system to Earth and one of the most promising locations in ...

Proxima Centauri, just 4.24 light-years from Earth, is the closest known star to our Sun. Though it’s the smallest member of ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid enters Earth’s atmosphere. A meteorite is a meteoroid that survives passage ...

The hunt for potentially habitable rocky planets in our galaxy has been the holy grail of exoplanet studies for decades.

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just ...

Aliens could spot Earth because of airports such as Heathrow and Gatwick, according to new research. Radar systems used by ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Astronomers have discovered yet another alien visitor to the Solar System.

Astronomers have discovered yet another alien visitor to the Solar System. This one appears to be a comet, a ball of dust, ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.