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

The universe beyond our Solar System is vast and filled with mysteries, and some of its most fascinating secrets lie just beyond our cosmic doorstep. While the Sun is the closest star to Earth, it's ...

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

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

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

A new study reveals that a common human technology may be quietly broadcasting our presence to alien civilizations—without us ...

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

HUMANS have been searching for aliens for decades – but all this time intelligent extraterrestrial life could have found us, ...

The answer: There are approximately 2,000,000,000,000 galaxies in the universe – that’s 2 trillion. Astronomers don’t know exactly how many stars are in each of those 2 trillion galaxies. Most are so ...

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 ...

Scientists have revealed that radar systems at airports and military bases would shine out like cosmic beacons for any watching civilisations. This means airports like Gatwick and Heathrow could be ...