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…
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…
NASA’s Bennu Samples Reveal a Surprising Origin Story
Asteroid Bennu is a small, carbon-rich near-Earth asteroid that preserves some of the most primitive material left from…
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…
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…
A Strange Heat “Anomaly” Deep Inside Mars Has Scientists Searching for Answers
Artistic rendering of Mars interior. Credit: NASA/Theophilus Britt Griswold Contrary to Earth, present-day Mars has little to no…
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…
The Moon may have formed almost intact within hours of Theia smashing into Earth
New simulations of the Moon-forming giant impact show that treating the early Earth and Theia as realistic geological…
Mercury Isn’t What Scientists Thought: New Study Reveals a Surprisingly Different Surface
Mercury may preserve evidence of a hotter, more extreme interior than scientists once expected. Credit: Shutterstock From tiny…
NASA Completes Astronaut-Deployed Science Instrument for Lunar Surface
NASA has declared “wrenches down” on the first completed payload designed for Artemis astronauts to deploy on the…
How to spot the Perseid meteor shower, a summer light show that promises to dazzle | Lifestyles
NEW YORK — The Perseid summer light show is back — and viewing conditions are especially promising for…
NASA’s Juno spacecraft finds temperatures surging just below Io’s volcanic surface
NASA’s Juno spacecraft measured heat beneath Io’s surface for the first time, finding temperatures rise sharply within just…