Space and planetary science – Page 3
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Feature
Mission to Uranus
With no spacecraft visiting the ice giants for over 30 years, Anthony King speaks to the planetary scientists planning a return visit
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News
The most complete list ever of Martian organic compounds compiled
Catalogue includes organic compounds from the five Martian meteorites that have been found on Earth
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News
European Space Agency unveils plans to get troubled rover to Mars
Russia’s invasion of Ukraine ended European cooperation on launch of Rosalind Franklin rover
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Research
Mars’ water came from outer space
Asteroids from the outer solar system would have delivered enough water to cover the red planet in a 300m-deep ocean
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Research
Perseverance rover reveals rocks on Mars were repeatedly exposed to liquid water
Suite of analytical tools provides new insight into red planet’s geochemistry
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Opinion
James Lovelock, a gentleman scientist
Philip Ball reflects on the legacy of the creator of the Gaia hypothesis, who has died aged 103
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Opinion
Farsighted science
The Webb telescope looks set to deliver on its promise to change the way we see the universe
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News
First James Webb Space Telescope images provide taste of astrochemistry still to come
Observatory off to bright start revealing chemical make-up of the universe
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Research
Lunar soil shows promise as a catalyst for extraterrestrial photosynthesis
Moon rock could one day be used to accelerate water splitting and carbon dioxide conversion in space to support crewed missions
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Research
All of life’s nucleic acids could have extraterrestrial origins
All five nucleobases of RNA and DNA found in three meteorites
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News
Environmental concerns ground mercury-based satellite thrusters
UN takes steps to outlaw mercury propellant that could have seen tonnes of the heavy metal rain down on Earth every year
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Research
Dimethyl ether found in a planet-forming disc for the first time
Discovery of dimethyl ether, nitric oxide and other small molecules offers insight into early chemical evolution on planets
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News
Europe’s Mars rover faces launch delays due to sanctions on Russia
Mars probe is ‘very unlikely’ to launch in 2022 due to deteriorating relationship between Europe and Russia after invasion of Ukraine
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Research
Freefall flights test feasibility of making oxygen on the moon and Mars
Efficiency of water electrolysis is reduced at lower gravity
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Feature
Drilling deep to discover the secrets of the mantle
Nina Notman hears from the scientists trying to pierce the Earth’s crust below the seafloor to learn more about our home planet
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Research
Chemical ecosystem of Murchison meteorite molecules revealed in snapshots
Atomic force microscopy proof of principle test shows technique is up to the challenge of chronicling chemical diversity in extra-terrestrial samples
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Research
Ancient Mars meteorites’ organic chemistry cracked – and it’s not alien microbes
Study uncovers geochemical processes that formed organic compounds millions of years ago, at a time when the red planet still had liquid water
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Feature
How elements are made beyond the stars
Tim Wogan looks at what recent astronomical discoveries have added to our understanding of stellar nucleosynthesis, and the mysteries that remain
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Research
Comets’ green colour comes from dicarbon dissociation, experiments confirm
First direct observation of C2 photodissociation explains why some comets have a green halo