Space
A ‘lake’ on Mars may be surrounded by more pools of water
Radar data hint at patches of liquid water beneath Martian polar ice, but some urge caution in interpreting results.
Planetary Science
More Stories in Planetary Science
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SpaceHow do you clean up clingy space dust? Zap it with an electron beam
An electron beam is the newest addition to a suite of technologies for cleaning sticky and damaging lunar dust off surfaces.
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SpacePhosphine gas found in Venus’ atmosphere may be ‘a possible sign of life’
Astronomers have detected a stinky, toxic gas in Venus’ clouds that could be a sign of life, or some strange unknown chemistry.
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Planetary ScienceEarth’s building blocks may have had far more water than previously thought
Space rocks and dust from the inner solar system could have delivered enough water to account for all the H2O in the planet’s mantle.
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AstronomyIn a first, astronomers spotted a space rock turning into a comet
Scientists have caught a space rock in the act of shifting from a Kuiper Belt object to a comet. That process won’t be complete until 2063.
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AstronomyHubble watched a lunar eclipse to see Earth from an alien’s perspective
Hubble observed sunlight filtering through Earth’s atmosphere during a lunar eclipse to see what a habitable exoplanet’s atmosphere might look like.
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Planetary ScienceJupiter’s moons could keep each other warm by raising tidal waves
Along with gravity from the enormous planet, tidal forces between Jupiter’s moons could generate a surprising amount of heat.
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Space‘Exotic’ lightning crackles across Jupiter’s cloud tops
Newly spotted lightning, which could form thanks to ammonia antifreeze, is weaker but more frequent than any flashes seen on Jupiter before.
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Planetary ScienceThe Perseverance rover caps off a month of Mars launches
With the launch of NASA’s Perseverance rover, the rush to the Red Planet is under way.
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SpaceTo rehearse Perseverance’s mission, scientists pretended to be a Mars rover
Seven Mars scientists pretended to be the Mars Perseverance rover on a training exercise in the Nevada desert.