- Description
- Helen is studying for her DPhil in Earth Sciences.
About Author: Helen Ashcroft
Posts by Helen Ashcroft
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![Evidence for life on Earth 4.1 billion years ago has been found in a speck of graphite within a zircon mineral from Western Australia. This […]](/wp-content/uploads/2013/02/NEWSICON2-115x115.png "Evidence for life on Earth 300 million years earlier than previously thought")
Evidence for life on Earth 300 million years earlier than previously thought
Posted on November 9, 2015 | No CommentsEvidence for life on Earth 4.1 billion years ago has been found in a speck of graphite within a zircon mineral from Western Australia. This […] -
New Horizons sends heart-shaped postcard from Pluto
Posted on July 22, 2015 | 1 CommentThe New Horizons spacecraft finally reached Pluto this week after 9 years travelling through space and at closest approach was at just 12,500 km away from […] -
![More than one million people diagnosed with asthma may be wrongly diagnosed, and are unnecessarily taking medication that can have significant side effects. A recent […]](/wp-content/uploads/2015/02/5950870440_77a79721b4_o-195x110.jpg "One third of adults with Asthma may be wrongly diagnosed.")
One third of adults with Asthma may be wrongly diagnosed.
Posted on February 2, 2015 | No CommentsMore than one million people diagnosed with asthma may be wrongly diagnosed, and are unnecessarily taking medication that can have significant side effects. A recent […] -
Eight More Potentially Habitable Planets Identified
Posted on January 13, 2015 | No CommentsAstronomers have identified eight new planets which could be contenders for supporting life. These planets exist in the region around a star known as the […] -
![During the Medieval Warm Period of the 1200s, around 40,000 people moved north in Colorado due to drought leaving them unable to grow their crops. The […]](/wp-content/uploads/2011/10/News-image-01-115x115.jpg "Tree ring data reconstructs the local effects of global warming on maize farming in the 1200s.")
Tree ring data reconstructs the local effects of global warming on maize farming in the 1200s.
Posted on December 6, 2014 | No CommentsDuring the Medieval Warm Period of the 1200s, around 40,000 people moved north in Colorado due to drought leaving them unable to grow their crops. The […] -
![The NASA mission DAWN spent all of 2012 orbiting 4 Vesta, the 2nd largest asteroid in the asteroid belt. DAWN is equipped with a camera […]](/wp-content/uploads/2014/11/141118144538-large-195x110.jpg "NASA Produces the First Ever Geological Map of an Asteroid")
NASA Produces the First Ever Geological Map of an Asteroid
Posted on November 23, 2014 | No CommentsThe NASA mission DAWN spent all of 2012 orbiting 4 Vesta, the 2nd largest asteroid in the asteroid belt. DAWN is equipped with a camera […] -
![Water is an extremely important component of the Earth and has shaped its surface and interior throughout its 4.5 billion year history. But when did […]](/wp-content/uploads/2014/11/141030142238-large-195x110.jpg "Earth’s Relationship with Water Might Go Back Further than we Thought")
Earth’s Relationship with Water Might Go Back Further than we Thought
Posted on November 8, 2014 | No CommentsWater is an extremely important component of the Earth and has shaped its surface and interior throughout its 4.5 billion year history. But when did […] -
![Scientists from the RMIT University in Melbourne, Australia have developed a system which mimics the way that birds’ feathers monitor the air around them, in […]](/wp-content/uploads/2012/12/News-image-01-300x169-115x115.jpg "From Bird Feathers to Plane Wings")
From Bird Feathers to Plane Wings
Posted on November 2, 2014 | No CommentsScientists from the RMIT University in Melbourne, Australia have developed a system which mimics the way that birds’ feathers monitor the air around them, in […] -
![On October 19, 2014 the comet Siding Spring closely passed by the planet Mars. This was closest flyby ever recorded to either Earth or Mars […]](/wp-content/uploads/2014/10/Hubble-image-comet-siding-spring-mars-br2-195x110.jpg "Mars Rovers View The Comet ‘Siding Spring’")
Mars Rovers View The Comet ‘Siding Spring’
Posted on October 25, 2014 | No CommentsOn October 19, 2014 the comet Siding Spring closely passed by the planet Mars. This was closest flyby ever recorded to either Earth or Mars […] -
![Earth and Mars both show evidence for a wide range of volcanism. However, constraining the eruptive styles on Mars is trickier than on Earth due […]](/wp-content/uploads/2012/12/News-image-01-300x1691-115x115.jpg "A New Tool to Detect Water on Mars")
A New Tool to Detect Water on Mars
Posted on October 18, 2014 | No CommentsEarth and Mars both show evidence for a wide range of volcanism. However, constraining the eruptive styles on Mars is trickier than on Earth due […] -
New Computer Simulation Produces Visually Stunning Model of the Universe
Posted on May 14, 2014 | No CommentsFor the first time, scientists have succeeded in producing a realistic model of the evolution of the universe that replicates the formation of its many […] -
Secrets From The Ocean Floor – How Far Can Water Travel?
Posted on May 1, 2014 | No CommentsMany evolutionary biologists believe that life on this planet may have stemmed from hydrothermal vents in the cavernous depths of our oceans. Black Smokers persist […] -
Battling the Bulge – Spinning Speed Determines “Flat” Galaxy Shape’
Posted on March 9, 2014 | No CommentsA group of researchers at the International Centre for Radio Astronomy have discovered that “spinning speed” is the critical determinant of galaxy shape. They observed […] -
Letting off steam – scientists discover water on an asteroid
Posted on January 25, 2014 | No CommentsInfrared images from the Herschel Space Telescope have identified water on the surface of an asteroid for the first time. Observations of the dwarf planet […]
