Conditions on early Earth may have become stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago, according to new research co-led by Planetary Science Institute senior scientist ...
Astrobiology
Sep 23, 2026
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77
The James Webb Space Telescope (JWST) has opened many wonders of the cosmos to scientists since it began science operations a few years ago. But one thing it hasn't done is find an "exomoon." These still-theoretical moons ...
Planetary Sciences
Sep 13, 2026
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76
Unlike Earth, the moon no longer has a core-generated magnetic field. On our planet, the movement of liquid iron in the outer core generates a global magnetic field. This so-called geodynamo works on a similar principle to ...
Planetary Sciences
Sep 23, 2026
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73
In the early history of our solar system, scientists theorize that a Mars-sized object called Theia smashed into the infant Earth, vaporizing massive amounts of rock and blasting it into space. Some of that material coalesced ...
Planetary Sciences
Oct 1, 2026
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73
The moon no longer has a global magnetic field, but lunar rocks and soils still contain records of ancient magnetism. Studying the magnetic minerals in these samples can help scientists understand how the moon's magnetic ...
Planetary Sciences
Sep 28, 2026
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72
A newly released panorama captured by NASA's Curiosity rover offers the most detailed view yet of distant, wind-carved Martian cliffs, highlighting features the mission's scientists have long been waiting to see up close. ...
Planetary Sciences
Oct 6, 2026
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68
As humanity looks toward future bases on the moon, plant cultivation will be critical for sustaining life there. Plants can provide food, oxygen, medicine, water purification and waste recycling, making them indispensable ...
Astrobiology
Oct 2, 2026
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66
More and more details about 3I/ATLAS are filtering through the scientific process as time goes on. Our third known interstellar visitor attracted the attention of some of the world's most powerful observatories when it was ...
Planetary Sciences
Sep 22, 2026
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66
We've found more than 5,500 exoplanets so far. Dozens of them are in the habitable zones of their parent stars, where, at least in theory, they could host an ocean. But we've never definitively found a liquid ocean on another ...
Space Exploration
Sep 13, 2026
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65
The asteroid Bennu orbits the sun once every 1.2 years and approaches Earth every six years, passing within around 300,000 kilometers. NASA took advantage of this to collect material from the celestial body. In a spectacular ...
Planetary Sciences
Sep 23, 2026
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