Mars’s longest morning cloud may form ice without dust
A new model suggests Mars’s Arsia Mons Elongated Cloud forms partly through ice nucleation without dust seeds.Rapid cooling…
NASA plans radar and seismic tests for a hidden lunar cave that could shelter future astronauts
NASA selected GIMLI to investigate whether the Marius Hills Pit opens into an underground lunar lava tube.Radar, seismic…
Earth’s magnetic field took 70,000 years to complete an ancient reversal
North Atlantic sediments record two magnetic reversals lasting approximately 18,000 and 70,000 years, longer than commonly assumed.The findings…
Scientists find evidence for several Earth axis shifts during the age of dinosaurs
A new study finds evidence that Earth may have undergone several episodes of rapid true polar wander during…
Rainstorms billions of years ago may have created habitable hotspots on Mars
A new global model suggests ancient Mars did not receive prebiotic formaldehyde evenly. Rainfall and atmospheric water vapor…
Scientists Thought Mars’s North Polar Ice Was 25% Dust. They Were Way Off
When NASA’s Mars Phoenix mission successfully sampled ice from the Martian arctic regions, it made astrobiological history. This…
Tiny Grains From Asteroid Bennu Reveal How Jupiter Shaped the Early Solar System
NASA’s OSIRIS-REx spacecraft descends toward asteroid Bennu during a 2020 rehearsal for sample collection. Credit: NASA/Goddard/University of Arizona…
Gravitational forces inside Earth drag some decades out — and make others fly by
Zhang, H. & Dumberry, M. Nature https://doi.org/10.1038/s41586-026-10999-2 (2026). Article Google Scholar Istas, M., Gillet, N., Finlay, C. C.,…
Something Deep Inside Earth Keeps Messing With the Length of Our Days
For practical purposes, we say that one day—the time it takes for Earth to rotate once on its…
Amendment 75: Corrections to several program elements regarding SciENcv and other topics
Information about the required SciENcv format for biographical sketch and current and pending support was expanded/improved in A.13…
NASA’s Moon Orbiter Spots New, ‘Once-in-Century’ Moon Crater
It started as a routine data-quality check. But as Robert Wagner, a scientist with NASA’s Lunar Reconnaissance Orbiter…
Celebrate International Observe the Moon Night with NASA
In April, the world watched as four humans circled the Moon for the first time in over 50…