The discovery of the pulsar
British astronomer Dame Jocelyn Bell Burnell was the first to discover the radio pulsar in 1967 when she discovered it.
Since then, X-rays and gamma rays have been used to detect other types of pulsars.
Pulsars are essentially rotating, highly magnetized neutron stars but when they were first discovered it was thought they could come from aliens.
‘Wow!’ Radio signal
In 1977, an astronomer searching for alien life in the skies over Ohio saw a powerful radio signal so powerful that he enthusiastically wrote ‘Wow!’ Next to its data.
In 1977, an astronomer searching for alien life in the skies over Ohio saw a powerful radio signal so powerful that he enthusiastically wrote ‘Wow!’ Next to its data
The Jer૨-second explosion, which was observed by Dr. Jerry Ehman through a radio telescope, came from Sagittarius, but did not match any known celestial body.
Conspiracy theorists have since claimed that ‘Wow! The signal ‘, which was 30 times stronger than background radiation, was the message of the intelligent outside world.
Fossil Matian microorganisms
In 1996, NASA and the White House made explosive announcements that the rock contained traces of Martian bugs.
The meteorites, known as The Lawn Hills (ALH) 84001, crashed on the frozen debris of Antarctica 13,000 years ago and were recovered in 1984.
Photographs showed extensively divided objects that would appear for life.
Photographs were published showing extensively divided objects that look amazingly lifelong (pictured)
However, the excitement did not last long. Other scientists questioned whether the meteorite samples were contaminated.
They also argued that the heat generated when the rock was blasted into space created mineral structures that could be mistaken for microphosils.
Behavior of Tabby Starr in 2005
The star, otherwise known as KIC 8462852, is located 1,400 light years away and has been astonishing since it was discovered in 2015.
It fades at a much faster rate than other stars, which some experts have suggested is a sign that the star’s energy radiation is exaggerated by aliens.
This star, otherwise known as KIC 62626262852૨, is located 1,400 light years away and has been astonishing since its discovery in 2015 (artist’s impression).
Recent studies have ‘ruled out the possibility of alien megastructures’ and instead suggest that dust rings can cause strange signs.
Exoplanets in the Goldilocks zone in 2015
In February this year, astronomers announced that they had discovered a star system with planets that could support life just 39 light-years away.
Seven Earth-like planets were discovered around the nearest dwarf star ‘PRP Pist-1’, and they can all get water on one surface from the main component of life.
The three planets have such good conditions, that scientists say life may have evolved on them.
Researchers claim they will know if there is life on any of the planets in a decade, and say ‘this is just the beginning.’
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