Interstellar comet 3I/ATLAS lost meters of its surface, giving scientists a depth scale for its chemistry
Spectroscopy can reveal which gases and refractory species leave a comet, but those measurements do not by themselves…
Uranus and Neptune Look Like Twins. Scientists Now Think It’s a Coincidence
Despite the iconic documentary, Uranus and Neptune are arguably the real “blue planets” in our solar system. And…
NASA’s Curiosity Rover Unveils a Spectacular New View of Mars at Dawn
The captivating shapes of wind-carved crags called yardangs are revealed in this zoomed-in crop of a broader panorama…
Japan’s Mission to Snatch a Sample of a Martian Moon Launches Today. Here’s How to Watch
The mysterious origins of Mars’s moons Many mysteries about the Red Planet remain unsolved, but the question of…
Astronomers discover a giant volcano on Mars that may hide the remnants of an ice glacier
Orbital observations suggest that a deeply eroded region near Mars’ equator contains the remains of a giant volcanic…
NASA Is About to Investigate What Lies Beneath a Giant Hole on the Moon
Artist’s concept of a potential lunar cave beneath the Marius Hills region of the Moon. NASA-backed scientists plan…
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…
NASA releases trove of Moon data from historic Artemis II flight
Artemis II astronaut Jeremy Hansen captures images during the lunar flyby.Credit: NASA Planetary scientists have fresh Moon joy…
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 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…
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…