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Earth News

Studying the Earth's gravity reveals clues about climate change

By studying satellite measurements scientists are piecing together information about climate change based on the terrestrial water cycle, the mass balance of ice sheets and changes in sea levels.

Evidence of earliest life on Earth disputed

Paris - When Australian scientists presented evidence in 2016 of life on Earth 3.7 billon years ago -- pushing the record back 220 million years -- it was a big deal, influencing even the search for life on Mars.

Essential Science: World's oldest colors discovered

Geologists have discovered the world's oldest colors, by examining some of the oldest rocks on Earth. The rocks were isolated from North Africa, and pigments were then extracted.

Quadrillion tons of diamond hidden in the Earth's interior

Boston - Researchers have used advanced sound wave technology to reveal an enormous diamond cache located deep in Earth's interior. This could equate to over a quadrillion tons of diamonds.

AI is superior to humans in Moon mapping challenge

There is much about the Moon’s topography that remains unknown and scientists continue to develop detailed maps of the lunar surface. When it comes to this task, a new study shows artificial intelligence bests humans each time.

Climate change pushing Earth toward risky 'tipping points': report

Bonn - As climate change drives up temperatures, Earth comes ever closer to dangerous 'tipping points' that could accelerate global warming beyond our capacity to reign it in, scientists warned at UN talks in Bonn Monday."Climate change is here.

Is frost present on the Moon?

Houston - Although it has been studied with regularity and visited several times, the Moon continues to present surprises. It appears that bright areas in craters near the moon's south pole are cold enough to have frost present.

Most of the Martian atmosphere was lost to space

Mars is much like Earth in many ways and billions of years ago when the Sun was hotter, scientists speculate that Mars could possibly had water and life. One longstanding mystery, in relation to this theory concerns, the Martian atmosphere.

Using microbes to measure ecological health

There are different measures of the state of an environment, such as toxins in soil or gasses in air. One measure, that can be qualified, is the microbial population since living entities directly signal the ‘health’ of a given locale.

The moon is older than previously thought

The moon is probably 40 to 140 million years older than previously thought. This is based on new analysis of samples brought back from Apollo 14 which have been subjected to more sophisticated testing.

Scientists closer to solving mystery of Earth's core

Toukyo - Japanese scientists say that silicon is likely the mystery element in the Earth's inner core, claiming progress on solving one of the planet's deepest secrets.

Asteroid just flew by Earth and we barely saw it coming

Early Monday morning, while people on the East Coast were making coffee, dropping kids off at school, and cursing in traffic, a space rock as big as a 10-story building slipped past Earth.

Scientists develop new theory on how Earth's moon was formed

A new theory about how Earth’s moon was formed has been advanced. It speculates that several extra-terrestrial objects struck Earth creating a series of small moons or moonlets. These moonlets gradually merged to form the moon we see today.

‘Missing’ element discovered in Earth’s core

San Fransisco - Japanese scientists have revealed a third major element that makes up the core of the Earth, along with iron and nickel. The search for the third element has been underway for several years.

Sun spins faster on the outside than on the inside

Despite being relatively close to Earth and a well-studied phenomenon there is still much to learn about the Sun. New research by international astronomers has helped to make an important new discovery about our closest star.

Answer as to why earthquakes occur in clusters

Why do earthquakes sometimes occur in clusters? This question has baffled geologists for years, but now there is an answer following a new computer model.

Scientists warn Earth to prepare for killer asteroid

Houston - It may seem like the plot of a sci-fi disaster movie, but NASA scientists have given serious consideration of how the Earth should defend itself against an asteroid should such a space rock be on a collision course with our planet.

Did Earth’s precious metals come from an asteroid impact?

Houston - Earth has an abundance of precious metals, such as gold and silver. The high proportion of these has led some scientists to speculate the metals did not originate on the planet.

New mini-moon discovered orbiting the Earth

Houston - Gaze up at night and you’ll see the familiar silvery moon. Our only natural satellite, right? Not so, it seems, for a new, much smaller mini-moon has been discovered by astrophysicists.

New figure puts number of microbes at 1 trillion

The numbers of different microorganisms on the planet have always outweighed the numbers of other organisms. A new estimate paces a very large figure on the numbers of microorganisms, possibly up to one trillion.

Prof. has way for Earth to cloak itself, hide from alien planets

A professor at Columbia University has found a simple way for the Earth to hide from other planets who may not have nice intentions should they discover us. It's a bit cloak without the dagger but he feels we should consider it.

Which face of the moon? Earth once saw something different

The Moon once span on a different axis and therefore showed a slightly different face to the Earth. This finding comes from a new astronomical study.

Essential Science: Did Jupiter wander away from the Sun?

Astronomers have long wondered why there are no planets closer to the Sun than Mercury. To have planets closer is common with many stars. The answer might be due to Jupiter having once been located closer to our star, suggests a new theory.

Has Earth entered new geological age?

Humans may have created a new era in Earth's geological history. We have left a mark in the rocks, similar to what a meteorite did when it wiped out dinosaurs.

Forensic microbes work out time of death

Working out the time of death is important for forensics. By looking at bacteria and fungi living in the soil beneath a decomposing body reveals the time, and even the place, of of death.

Scientists say Earth in serious danger of being hit by comets

Scientists now believe we have a far greater chance of being hit by a comet than previously thought. They say that the possibility of a catastrophic impact, which would cause mass extinctions, has been seriously underestimated.

NASA's K2 discovers dead star vaporizing a mini 'planet'

Mountain View - On its second mission, NASA's Kepler space telescope has found something that sounds dire, but is completely amazing: A dead star, known as a white dwarf, cannibalizing a small planet that exists within its solar system.

Speculation grows about NASA's big Mars announcement today

Washington - Wild speculation continues online over what NASA plans to announce today concerning what has been discovered about Mars, the fourth planet from the sun.

Earth's 3 trillion trees are falling at an alarming rate

Earth has trillions of trees, including redwoods in California, olive trees in Tunisia, cherry trees in Japan and many more. However, they are falling at a very high rate.

Another Earth is found — but will we ever be able to reach it?

NASA's announcement on Thursday of its discovery of a cousin planet to Earth was historic, breathtaking but are we destined to merely be admirers from afar, or will we ever be able to visit?
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Earth Image

On Jan. 4 a large presence of stratocumulus clouds was the central focus of camera lenses which rema...
On Jan. 4 a large presence of stratocumulus clouds was the central focus of camera lenses which remained aimed at the clouds as the Expedition 34 crew members aboard the International Space Station flew above the northwestern Pacific Ocean
NASA
Satellite images of the earth at night.
Satellite images of the earth at night.
NASA
A depiction of Mars if it had life by Kevin Gill
A depiction of Mars if it had life by Kevin Gill
Kevin Gill
Plane Earth
Plane Earth
Terry Minion
Artist s rendering of meteor fireball impact
Artist's rendering of meteor fireball impact
Vojtech.dostal.. Licensed under Public Domain via Wikimedia Commons
An artist s rendering of a Near Earth Object (NEO)
An artist's rendering of a Near Earth Object (NEO)
NASA
An image of the Earth taken by the Russian weather satellite Elektro-L No.1.
An image of the Earth taken by the Russian weather satellite Elektro-L No.1.
GigaPan / Russian Space Agency / NTsOMZ
Celestial Buddies  Our Precious Planet  is a slightly larger version of Earth Buddy.
Celestial Buddies "Our Precious Planet" is a slightly larger version of Earth Buddy.
Celestial Buddies
View of the Earth as seen by the Apollo 17 crew traveling toward the moon.  This is the first time t...
View of the Earth as seen by the Apollo 17 crew traveling toward the moon. This is the first time the Apollo trajectory made it possible to photograph the south polar ice cap.
Image courtesy NASA Johnson Space Center
A scene from the motion picture  2012.
A scene from the motion picture "2012."
Courtesy Columbia Pictures
NOAA releases the July 2016 State of the Climate report.
NOAA releases the July 2016 State of the Climate report.
NASA
This computer image from a NASA video shows the small asteroid 2012 DA14 on its path as it passes by...
This computer image from a NASA video shows the small asteroid 2012 DA14 on its path as it passes by Earth on Feb. 15
NASA / NPR
Emblem 2d:  Nutrix ejus terra est.  of Michael Maier  Atalanta Fugiens  circa: 1617/1618
Earth Mothe...
Emblem 2d: "Nutrix ejus terra est." of Michael Maier, Atalanta Fugiens, circa: 1617/1618 Earth Mother image from an alchemical text.
Alexander Roos
220 miles above Earth  this is a broad area view of Sendai  Japan. The end of the shuttle vertical s...
220 miles above Earth, this is a broad area view of Sendai, Japan. The end of the shuttle vertical stabilizer points to Sendai.
NASA
Map of protests on October 15  2011
Map of protests on October 15, 2011
15october.net
From right to left: Rufus Sewell  Eddie Redmayne and Liam Garrigan in The Pillars Of The Earth
From right to left: Rufus Sewell, Eddie Redmayne and Liam Garrigan in The Pillars Of The Earth
Sony
CELESTIAL: NASA says Monday s flyby of Comet 2004 BL86 is the Earth s closest asteroid encounter unt...
CELESTIAL: NASA says Monday's flyby of Comet 2004 BL86 is the Earth's closest asteroid encounter until 2027.
NASA/JPL-Caltech/Wikimedia Commons
Untitled
woodleywonderworks
Planet earth  Robertson denies it was created 6000 years ago.
Planet earth, Robertson denies it was created 6000 years ago.
DonkeyHotey
Look to the east around 3 a.m. Saturday morning  where comet 45P will be visible in the sky in the c...
Look to the east around 3 a.m. Saturday morning, where comet 45P will be visible in the sky in the constellation Hercules. Look for the blue-green tail.
NASA

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