Astronomy
The tiny dot in this image may be the first look at exomoons in the making
New ALMA observations offer some of the strongest evidence yet that planets around other stars have moons.
Planetary Science
More Stories in Planetary Science
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Planetary ScienceA century of astronomy revealed Earth’s place in the universe
The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins.
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Planetary ScienceLakes of liquid water at Mars’ southern ice cap may just be mirages
In 2018, scientists found evidence for water lakes sitting beneath the southern Martian ice cap. New evidence suggests the lakes might not exist.
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AstronomyA shadowy birthplace may explain Jupiter’s strange chemistry
Dust that blocked sunlight caused the giant planet to form in a deep freeze, a new study suggests.
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Planetary ScienceNASA will be heading back to Venus for the first time in decades
Two newly selected missions, VERITAS and DAVINCI+, will explore the history of the planet's water and habitability.
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Planetary ScienceLaser experiments suggest helium rain falls on Jupiter
Compressing a hydrogen and helium mixture with lasers shows that the two elements separate at pressures found within gas giant planets.
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SpaceChina’s first Mars rover has landed and is sending its first pictures
The country just became the second nation, after the United States, to successfully land a rover on Mars. Its rover will search for subsurface ice.
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AstronomySaturn has a fuzzy core, spread over more than half the planet’s diameter
Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.
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Planetary ScienceNASA’s Ingenuity helicopter’s mission with Perseverance has been extended
NASA’s Ingenuity helicopter has passed all its tests and is ready to support the Perseverance rover in looking for ancient Martian life.
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Planetary ScienceNASA’s Perseverance rover split CO2 to make breathable air on Mars
An oxygen-making experiment on Perseverance shows that astronauts will one day be able to make air to breathe and, better yet, rocket fuel.