• Gliese 581d is in star’s habitable zone and may be suitable for humans
• Found in 2010, it was later dismissed as stellar bursts and not a planet
• Now, scientists believe earlier analysis was based on inaccurate data
• They say planet does exist and may provide hope for finding alien life

Astronomers believe mysterious signals – previously dismissed as stellar bursts – are coming from an Earth-like planet.

The Gliese 581d planet has conditions that could support life, and is likely to be a rocky world, twice the size of Earth.

Signals from the planet were initially discovered in 2010, but last year dismissed as noise from distant stars.

Astronomers believe mysterious ‘alien signals’ – previously dismissed as stellar bursts – are in fact coming from an Earth-like planet. The Gliese 581d planet was initially discovered in 2010 (artist’s impression pictured)

Now, a further study claims that the 2014 research was…