civilizations

Humans have reshaped Earth’s ecology for 12k years, but ancient civilizations didn’t misuse land

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Humans have been reshaping ecology across most of the Earth for at least 12,000 years, but ancient civilizations did not misuse the land like today’s inhabitants, a new study reveals.  A team of international scientists determined for most of history, humans have occupied the same amount of land across the globe and by 10000 BC, … Read more

NASA proposes looking for atmospheric pollution on exoplanets as evidence of alien civilizations 

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Discovery of pulsars British astronomer Dame Jocelyn Bell Burnell was the first person to discover a pulsar in 1967 when she spotted a radio pulsar. Since then other types of pulsars that emit x-rays and gamma rays have also been spotted. Pulsars are essentially rotating, highly magnatised neutron stars but when they were first discovered … Read more