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mars

Meteors help Martian clouds form

Enormous cloud-like plumes reaching 260km above the surface of Mars have left scientists baffled. This is way beyond Mars’s typical weather, entering into the...
The rising Earth from the perspective of the moon © NASA Goddard

Moon formation brought water to the Earth

Earth is the only terrestrial planet with a large amount of water and a relatively large moon, which stabilizes the Earth's axis. Earth grew...

Explosions of universe’s first stars spewed powerful jets

After the Big Bang and before the first stars ignited, the universe was a very dark and cold place. There were no galaxies, no...
A graphic of Mercury’s internal structure. Credit: Antonio Genova

Evidence on Mercury’s inner core is indeed solid

In order to explore the interior of a planet, planetary scientists usually observe the planet spins and then measure how their probe orbits it....
New Neptune-to-Saturn-size planet orbiting between two previously known planets

New Neptune-to-Saturn-size planet orbiting between two previously known planets

Astronomers have discovered a third planet in the Kepler-47 system, securing the system’s title as the most interesting of the binary-star worlds. Using data...
An artist's rendition of Planet X. NASA

Solar system’s hidden Planet X may finally be spotted soon

Over the course of the past two decades, observational surveys have unveiled the intricate orbital structure of the Kuiper Belt, a field of icy...
Artist’s impression of the newly discovered object.

Japanese astronomers spot new class of object in the Kuiper Belt

A team at the National Astronomical Observatory of Japan has discovered a new class of object that has long been thought to exist in...
A view from NASA's Cassini spacecraft shows Saturn's northern hemisphere in 2016 as that part of the planet nears its northern hemisphere summer solstice. A year on Saturn is 29 Earth years; days only last 10:33:38, according to a new analysis of Cassini data. Credit: NASA/JPL-Caltech/Space Science Institute

Scientists finally know what time it is on Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. This gas giant actually has no solid surface...
The young protostar L1527 in the Taurus molecular cloud – Artistic representation

Early protostar already has a warped disk

The planets in our solar system orbit the sun in planes that are at most around seven degrees offset from the equator of the...

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