geology

Asteroid strike made 'instant Himalayas'

Posted in Science on 19th Nov, 2016
by Alex Muller

At one stage, a mountain higher than Everest was thrown up before collapsing back into a smaller range of peaks.

Ocean sediment sample holds iron believed to be from a supernova

Posted in Science on 10th Aug, 2016
by Alex Muller

Sediment layers may contain a type of iron that came from space millions of years ago, iron-60, which prior research has shown is spewed into space when supergiant stars explode.

What did Earths ancient magnetic field look like?

Posted in Science on 25th Jun, 2016
by Alex Muller

New work suggests Earths ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two.

Shooting stars show Earth had oxygen eons before we thought

Posted in Science on 13th May, 2016
by Alex Muller

The scorched remains of 60 micrometeorites have survived 2.7 billion years in Western Australia. They are the oldest space rocks ever discovered on Earth.

We Finally Know What's Causing Enormous Mounds on Mars

Posted in Science on 3rd Apr, 2016
by Alex Muller

Astronomers have puzzled over the miles-high mounds rising from of the centres of Martian craters.