Earth’s magnetic field almost completely collapsed 550 million years ago
More than half a billion years ago, Earth experienced an almost-complete collapse of its magnetic field.
It began in the early Cambrian period. Then, after...
Scientists find the source of rare mineral on Mars
Planetary scientists have an answer to a mystery that’s puzzled the Mars research community since NASA’s Curiosity rover discovered a mineral called tridymite in...
How did Earth avoid a Mars-like fate?
Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth’s outer core generates our planet’s protective magnetic field.
This magnetic field is invisible...
Engineers design motorless sailplane for Mars exploration
Eight active spacecraft, including three operated by NASA, orbit Mars, gathering imagery of the planet's surface at a resolution of about 1 foot per...
New study reveals life forms that could survive on Mars
The extremely salty, very cold, and almost oxygen-free environment under the permafrost of Lost Hammer Spring in Canada’s High Arctic is the one that...
Mars could become a base for asteroid exploration and mining
Mining the asteroids for resources like iron, precious metals, water, or other valuable species may someday become profitable.
Mining will probably starting with Near Earth...
What is the best radiation shielding for the surface of Mars
The planet Mars is calling to us.
At least, that is the impression one gets when examining all the planned and proposed missions to the...
Scientists make new findings about the life’s origin on Earth and maybe Mars
Scientists at the Foundation for Applied Molecular Evolution announced that ribonucleic acid (RNA), an analog of DNA that was likely the first genetic material...
Why did Mars dry out? New study points to unusual answers
Mars once ran red with rivers.
The telltale tracks of past rivers, streams and lakes are visible today all over the planet.
But about three billion...
How a type of aurora on Mars is formed
Physicists led by the University of Iowa have learned how a type of aurora on Mars is formed.
In a new study, the physicists studied...