8 burning theories that could prove 3I/ATLAS is an alien spacecraft, according to Harvard scientist

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.
Space on MSN

Flat Earth, spirits and conspiracy theories — experience can shape even extraordinary beliefs

The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...

Are we the Martians? The intriguing idea that life on Earth began on the red planet

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...
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Uranus and Neptune may be 'rock giants,' not 'ice giants,' new model of their cores suggests

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.