A comet that has not been seen since the Stone Age could be spotted this weekend. It is so exciting that astronomers have labelled it ‘the comet of the century’ (though its official name is ...

A comet last seen for Earth some 80,000 years ago has been spotted in North-East England. The C/2023 A3 (Tsuchinshan–ATLAS) comet passed through the dark skies in Northumberland, putting on a ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a ...

Researchers discover Earth's first crust, formed 4.5 billion years ago, had chemical features similar to modern continental crust. (photo credit: Tanya Kalian. Via Shutterstock) A study published ...

LONDON (Bernama-PA Media/dpa): A comet that was last visible from Earth when Neanderthals were ... been visible from our planet around 80,000 years ago, and was only discovered in January 2023.