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Io’s Largest Volcano, Loki, Erupts Every 500 Days. Any Day Now, It will Erupt Again.


Jupiter’s moon Io is in stark contrast to the other three Galilean moons. While Callisto, Ganymede, and Europa…
Nothing Says Springtime on Mars Like Explosions of Sand

2 days ago

Springtime on Earth can be a riotous affair, as plants come back to life and creatures large and…
Think Saturn’s rings are old? Not so fast

2 days ago

A team of researchers has reignited the debate about the age of Saturn’s rings with a study that…
Rare metallic asteroids might have erupted molten iron

3 days ago

The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its…
Avalanche Season on Mars

September 12, 2019

Every spring the sun shines on the side of the stack of layers at the North Pole of…
Explosive nitrogen created craters that pock Saturn moon Titan

September 10, 2019

The topography of Titan, the largest of moon of Saturn, seems serene in Cassini mission images, but lakes…
New Models Suggest Titan Lakes Are Explosion Craters

September 10, 2019

Using radar data from NASA’s Cassini spacecraft, recently published research presents a new scenario to explain why some…
This is Why Saturn’s Rotation is So Hard to Measure

September 10, 2019

For a rocky planet, finding the length of a day can be simple. Just pick a reference point…
Deep-sea sediments lead to new understanding of solar system

September 9, 2019

A day is the time for Earth to make one complete rotation on its axis, and a year…
It Hasn’t Rained on Mars for a Long Time, but These Sand Dunes Look Like Raindrops

September 5, 2019

Mars is well-known for being a dry and arid place, where dusty red sand dunes are prevalent and…
The dark side of extrasolar planets share surprisingly similar temperatures

August 29, 2019

A new study by McGill University astronomers has found that the temperature on the nightsides of different hot Jupiters is surprisingly uniform, suggesting the dark side of these massive gaseous planets have clouds…
Asteroid Ryugu is a “Fragile Rubble Pile”

August 28, 2019

When Japan’s Hayabusa 2 spacecraft arrived at asteroid Ryugu in June 2018, it carried four small rovers with…
NASA-JPL Names ‘Rolling Stones Rock’ on Mars

August 23, 2019

For decades, the music of The Rolling Stones has had a global reach here on Earth. Now, the…
An artist’s impression of a collision between a young Jupiter and a massive still-forming protoplanet in the early solar system. Illustration by K. Suda & Y. Akimoto/Mabuchi Design Office, courtesy of Astrobiology Center, Japan
Young Jupiter was smacked head-on by massive newborn planet

August 16, 2019

A colossal, head-on collision between Jupiter and a still-forming planet in the early solar system, about 4.5 billion…
New Finds for Mars Rover, Seven Years After Landing

August 6, 2019

NASA’s Curiosity rover has come a long way since touching down on Mars seven years ago. It has…
Hubble Uncovers a ‘Heavy Metal’ Exoplanet Shaped Like a Football

August 2, 2019

How can a planet be “hotter than hot?” The answer is when heavy metals are detected escaping from…
The Moon is Older Than Scientists Thought

August 1, 2019

The most comprehensive and widely-held theory of how the Moon formed is called the ‘giant impact hypothesis.’ That…
Why Is The Moon’s South Pole So Important? It’s All About Water

July 31, 2019

As NASA prepares to return to the Moon by 2024 as part of its Artemis program, the agency…
Moon has more water ice than previously thought

July 25, 2019

UCLA study suggests that there may be enough water to sustain a future lunar settlement. The polar regions…
Cold, dry planets could have a lot of hurricanes

July 25, 2019

Study overturns conventional wisdom that water is needed to create cyclones. Nearly every atmospheric science textbook ever written…
Moon-forming disk discovered around distant planet

July 12, 2019

Using Earth’s most powerful array of radio telescopes, astronomers have made the first observations of a circumplanetary disk…
Where Does Mars’ Methane Go? New Study Provides Possible Answer, with Implications in the Search for Life.

July 5, 2019

For centuries, scientists have speculated about the existence of life on Mars. But it was only within the…
Atmosphere of Midsize Planet Revealed by Hubble, Spitzer

July 4, 2019

Two NASA space telescopes have teamed up to identify, for the first time, the detailed chemical “fingerprint” of…
An infrared close up of the Moon

July 2, 2019

A first-of-its-kind camera developed in partnership between CU Boulder and Ball Aerospace will soon be landing on the…
Uncovering the hidden history of a giant asteroid

June 13, 2019

A massive ‘hit-and-run’ collision profoundly impacted the evolutionary history of Vesta, the brightest asteroid visible from Earth. This…
Direct from distant planet: Spectral clues to puzzling paradox

June 11, 2019

CI Tau b is a paradoxical planet, but new research about its mass, brightness and the carbon monoxide…
New mineral classification system captures Earth’s complex past

June 5, 2019

The first minerals to form in the universe were nanocrystalline diamonds, which condensed from gases ejected when the…
Meteor magnets in outer space

June 4, 2019

Astronomers believe planets like Jupiter shield us from space objects that would otherwise slam into Earth. Now they’re…
NASA’s Curiosity Mars Rover Finds a Clay Cache

May 30, 2019

NASA’s Curiosity rover has confirmed that the region on Mars it’s exploring, called the “clay-bearing unit,” is well…
This Strange Feature on Mars was Probably the Result of an Ancient Volcanic Explosion

May 29, 2019

A strange feature on the surface of Mars has kept scientists guessing about its origin. It’s a surface…
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