Tag: Earth
Up to 2% of Earth’s oldest mantle is made of diamond
There may be more than a quadrillion tons of diamond hidden in the Earth’s interior, according to a new study from MIT and other...
First Earth-Size Planet Is Discovered in Another Star’s ‘Habitable Zone’
A team of astronomers that includes Penn State scientists has discovered the first Earth-size planet orbiting a star in the "habitable zone" -- the...
NASA: Vitamin B3 Might Have Been Made in Space, Delivered by...
Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis by NASA-funded researchers. The...
New Study Outlines ‘Water World’ Theory of Life’s Origins
Life took root more than four billion years ago on our nascent Earth, a wetter and harsher place than now, bathed in sizzling ultraviolet...
Saturn’s hexagon: An amazing phenomenon
In 1980 and 1981 NASA's Voyager 1 and 2 space probes passed for the first time over the planet Saturn, located 1,500 million km...
Chance meeting creates celestial diamond ring
Most stars with masses similar to that of our Sun will end their lives as white dwarfs — small, very dense, and hot bodies...
Permafrost thawing could accelerate global warming
A team of researchers lead by Florida State University have found new evidence that permafrost thawing is releasing large quantities of greenhouse gases into...
NASA’s OCO-2 Brings Sharp New Focus on Global Carbon
Simply by breathing, humans have played a small part in the planet-wide balancing act called the carbon cycle throughout our existence. However, in the...
Astronauts’ hearts become more spherical in space
New findings from a study of 12 astronauts show the heart becomes more spherical when exposed to long periods of microgravity in space, a...
Will the Yellowstone supervolcano erupt in our lifetime?
As with many things in nature, it helps to understand the past when trying to predict the future. Ilya Bindeman, an associate professor of geological...
