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Planetary Sciences news
Ancient river systems reveal Mars was wetter than we thought
The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been much wetter than previously thought.
Planetary Sciences
3 minutes ago
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Life on Venus? Probe mission could search Venus clouds for unexplained hydrogen-rich gases
The answer to whether tiny bacterial life-forms really do exist in the clouds of Venus could be revealed once and for all by a UK-backed mission.
Astrobiology
7 hours ago
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M-MATISSE mission using robot orbiters could map Mars space weather before human landing
If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.
Space Exploration
7 hours ago
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Chang'e-6 samples unlock secrets of the moon's farside
The moon's near and far sides exhibit striking asymmetry—from topography and crustal thickness to volcanic activity—yet the origins of these differences have long puzzled scientists.
Planetary Sciences
7 hours ago
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A young giant planet orbits one star, while a planet-forming disk exists around same-aged companion star
A team of international researchers led by Tomas Stolker in the Netherlands has imaged a young gas giant exoplanet near a 12-million-year-old star. The planet is orbiting a star whose planet formation has finished, while ...
Planetary Sciences
16 hours ago
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Youngest basaltic lunar meteorite fills nearly one billion-year gap in moon's volcanic history
A 2.35-billion-year-old meteorite with a unique chemical signature, found in Africa in 2023, plugs a major gap in our understanding of the moon's volcanic history.
Planetary Sciences
Jul 8, 2025
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UK hopes to bolster space weather forecasts with Europe's first solar storm monitor
A new U.K.-led satellite mission concept aims to strengthen the country's position in space weather observation and forecasting by deploying a suite of homegrown scientific instruments on a low-cost spacecraft in low-Earth ...
Planetary Sciences
Jul 8, 2025
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Massive boulders ejected during DART mission may complicate future asteroid deflection efforts
When NASA's DART spacecraft slammed into the asteroid moon Dimorphos in September 2022, it didn't just change the asteroid's orbit as intended—it unleashed a massive barrage of boulders that carried more than three times ...
Planetary Sciences
Jul 8, 2025
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When Theia struck Earth, it helped set the stage for life to appear
How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid lifelessness, did our planet become warm, hospitable, and life-sustaining? The answer to these questions is ...
Astrobiology
Jul 8, 2025
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A new way to wobble: Scientists uncover mechanism that causes formation of planets
Instead of a tempest in a teapot, imagine the cosmos in a canister. Scientists have performed experiments using nested, spinning cylinders to confirm that an uneven wobble in a ring of electrically conductive fluid like liquid ...
Planetary Sciences
Jul 7, 2025
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Will YR4 hit the moon? We won't know until 2028
Predicting the precise path of a new asteroid or comet is a complex affair; the more observations you have, the better you know where an object will be, years hence.
Astronomy
Jul 7, 2025
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Old Hubble Space Telescope photos unlock the secret of a rogue planet
Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a "rogue planet" drifting through space without a host ...
Astronomy
Jul 7, 2025
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Meteorite challenges the timeline of the early solar system
A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held belief that planets ...
'Space ice' is less like water than previously thought
"Space ice" contains tiny crystals and is not a completely disordered material like liquid water, as previously assumed, according to a new study by scientists at UCL (University College London) and the University of Cambridge.
Astrobiology
Jul 7, 2025
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The birth of a solar system revealed by planet 'pebbles'
A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming "pebbles" around two young stars.
Astronomy
Jul 7, 2025
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Astronomers have discovered another puzzling interstellar object—this third one is big, bright and fast
Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system late on July 1, 2025.
Astronomy
Jul 6, 2025
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Why is there no life on Mars? Rover finds a clue
Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?
Planetary Sciences
Jul 5, 2025
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New Horizons conducts first-ever successful deep space stellar navigation test
As NASA's New Horizons spacecraft traveled through the Kuiper Belt at a distance of more than 5.5 billion miles from Earth, an international team of astronomers used the far-flung probe to conduct an unprecedented experiment: ...
Reanalysis of Kepler data uncovers two planets in KOI-134 system with unusual orbital dynamics
A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has two planets that orbit their star in a unique style, like an old-fashioned merry-go-round.
Astronomy
Jul 3, 2025
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New interstellar comet will keep a safe distance from Earth, NASA says
NASA has discovered an interstellar comet that's wandered into our backyard.
Planetary Sciences
Jul 3, 2025
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More news
Tianwen-2 probe captures Earth images en route to sample asteroid and comet
China launches first low-inclination orbit SAR satellite 'Haishao-1'
Astronomers discover a super-Earth exoplanet orbiting a nearby star
Was Mars doomed to be a desert? Study proposes new explanation
Lucy mission provides full view of asteroid Donaldjohanson
NASA missions help explain and predict severity of solar storms
MTG-S1 satellite hosting the Sentinel-4 instrument is ready for liftoff
Meteorite hunters chase treasures after fireball streaks across Georgia
Exoplanet hunters may be misrepresenting the likelihood of their findings
Other news
Rock art hints at the origins of Egyptian kings
Thirty years of research shows increased resistance in fungi
Orange is the new aphrodisiac—for guppies
Why some genes are more error-prone: Scientists uncover hidden rule in DNA transcription
Structure of tick-borne virus revealed at atomic resolution for the first time
A molecular switch packs DNA on time for cell division
GJ 12 b: Earth-sized planet orbiting a quiet M dwarf star
Will asteroid 2024 YR4 hit the moon?
New propulsion systems could enable a mission to Sedna
Cryovolcanism and resurfacing on Pluto's largest moon, Charon
Flyby mission strategies for detecting oceans on Uranus' moons
What islands can teach us about planetary protection
