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Planetary Sciences news
Video: Fireball witnessed by weather satellite
While a meteor lit up the skies over Spain and Portugal recently, it was also captured by the Meteosat Third Generation Imager weather satellite hovering 36,000 km away in geostationary orbit.
Planetary Sciences
11 hours ago
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NASA's heliophysics experiment to study the sun on European mission
NASA announced Tuesday it selected a new instrument to study the sun and how it creates massive solar eruptions. The agency's Joint EUV coronal Diagnostic Investigation, or JEDI, will capture images of the sun in extreme ...
Astronomy
12 hours ago
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NASA's Psyche fires up its sci-fi-worthy thrusters
NASA's Psyche spacecraft passed its six-month checkup with a clean bill of health, and there's no holding back now. Navigators are firing its futuristic-looking electric thrusters, which emit a blue glow, nearly nonstop as ...
Space Exploration
13 hours ago
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NASA tool prepares to image faraway planets
The Roman Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope will help pave the way in the search for habitable worlds outside our solar system by testing new tools that block starlight, revealing planets ...
Astronomy
May 21, 2024
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The habitable worlds observatory could see lunar and solar 'exo-eclipses'
A future space observatory could use exo-eclipses to tease out exomoon populations.
Planetary Sciences
May 21, 2024
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Peering into Pluto's ocean using mathematical models and images from the New Horizons spacecraft
An ocean of liquid water deep beneath the icy surface of Pluto is coming into focus thanks to new calculations by Alex Nguyen, a graduate student in Earth, environmental and planetary sciences in Arts & Sciences at Washington ...
Planetary Sciences
May 21, 2024
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Exploring the depths: How iron snow could unlock the secrets of life on Europa
Ever since the tantalizing discovery of icy ocean worlds within our own solar system, such as Europa and Enceladus, scientists have been captivated by the possibility of life lurking beneath their frozen surfaces.
Astrobiology
May 21, 2024
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Observations investigate properties of nearby brown dwarf HD 33632 Ab
Using the Keck II telescope in Hawaii, astronomers have observed a nearby brown dwarf known as HD 33632 Ab. Results of the observational campaign, presented in a paper published May 14 on the pre-print server arXiv, provide ...
Did Earth's multicellular life depend on plate tectonics?
How did complex life emerge and evolve on the Earth and what does this mean for finding life beyond Earth?
Astrobiology
May 20, 2024
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Webb cracks case of inflated exoplanet
Why is the warm gas-giant exoplanet WASP-107 b so puffy? Two independent teams of researchers have an answer.
Astrobiology
May 20, 2024
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Webb Telescope offers first glimpse of an exoplanet's interior
A surprisingly low amount of methane and a super-sized core hide within the cotton candy–like planet WASP-107 b.
Planetary Sciences
May 20, 2024
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Exploring extremes in the search for life on Mars
People might assume the search for life on Mars ended when NASA's first rovers sent back images of the planet's barren, inhospitable surface. However, as scientists broaden their understanding of the extreme conditions in ...
Astrobiology
May 20, 2024
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Astronomers determine Mars may face more potentially hazardous asteroids than Earth
A team of astronomers at Nanjing University has found evidence that Mars likely has more potentially hazardous asteroids in its path than Earth. In their study, posted on the arXiv preprint server, the group investigated ...
'Danger behind the beauty': More solar storms could be heading our way
Tourists normally have to pay big money and brave cold climates for a chance to see an aurora, but last weekend many people around the world simply had to look up to see these colorful displays dance across the sky.
Space Exploration
May 18, 2024
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Earth from space: New Zealand's North Island
Captured on 7 May 2024, this Copernicus Sentinel-2 image shows part of New Zealand's North Island.
Planetary Sciences
May 17, 2024
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The impact of inter-satellite links on the ECOM model performance for BDS‑3 MEO satellites
Inter-satellite link (ISL) plays an essential role in current and future Global Navigation Satellite System (GNSS). A recent study, conducted by Wuhan University's GNSS Research Center and published in Satellite Navigation ...
Planetary Sciences
May 16, 2024
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New photos show Jupiter's tiny moon Amalthea
It's tiny, but it's there. By now, we're all used to seeing amazing photos of Jupiter courtesy of NASA's Juno mission on a routine basis. Many of these are processed by volunteer "citizen scientists," and they show the swirling ...
Planetary Sciences
May 16, 2024
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Solar storm detected in deep sea observatories
The powerful solar storm driving the aurora borealis over global skies last weekend was also triggering the movement of compasses deep in the ocean, as revealed in new scientific findings shared today by Ocean Networks Canada ...
Planetary Sciences
May 16, 2024
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Five things to know about how NASA's tiny twin polar satellites will study the Arctic and Antarctic
Twin shoebox-size climate satellites will soon be studying two of the most remote regions on Earth: the Arctic and Antarctic. The NASA mission will measure the amount of heat the planet emits into space from these polar regions—information ...
Planetary Sciences
May 15, 2024
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Video: SOHO's view of the 11 May 2024 solar storm
Over the weekend of 10–12 May 2024, Earth was struck by the largest solar storm in more than a decade. While many of us enjoyed colorful auroras lighting up Earth's protective atmosphere, spacecraft had to endure being ...
Astronomy
May 15, 2024
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More news
NASA's Juno provides high-definition views of Europa's icy shell
Astronomers discover new Earth-sized world orbiting an ultra-cool star
TRAPPIST-1 outer planets likely have water, research suggests
Saturn-sized exoplanet isn't losing mass quickly enough
Why are auroras so hard to predict? And when can we expect more?
Tiny satellites can provide significant information about space
Dazzling auroras fade from skies as sunspot turns away
Second night of auroras seen 'extreme' solar storm
Study reveals mechanisms of hydrodynamic escape in low-mass exoplanets
Other news
A merger of microbes: Study shows low-nutrient conditions alter viral infection
The tunable coupling of two distant superconducting spin qubits
Escaped GMO canola plants persist long-term, but may be losing their engineered resistance to pesticides
Repurposed protease controls important signaling molecule-activating protein
First 'extreme' solar storm in 20 years brings spectacular auroras
Image: Bolivian salt lakes from orbit
Q&A: AI in Earth observation—a force for good
Image: Sulaiman mountain haze
Farm wastewater modeling shows footbaths are source of antimicrobial resistance
How yeasts manage to compensate for the genetic imbalance of extra chromosomes
Streamlined microcomb design provides control with the flip of a switch
New metal-free porous framework materials may have potential for hydrogen storage
