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  Science   20 Sep 2019

Science, 20 Sep 2019

Distant asteroid calamity shaped life on Earth 466 million years ago

Dust spawned by a gigantic collision in the asteroid belt between Mars and Jupiter 400 million years earlier triggered an ice age.

20 Sep 2019 9:04 AM

Scientists reconstruct skeleton of elusive, pre-historic human

Little is known about the Denisovans, who were ancient relatives of the more familiar Neanderthals and our own species.

20 Sep 2019 8:58 AM

Alien enthusiasts descend on Nevada desert near secretive US base

Visitors descended early in the day on the tiny desert town of Rachel, a short distance from the military site.

20 Sep 2019 8:51 AM