For the first time in more than a century, scientists have identified new sodium chloride crystals. The discovery may reconcile puzzling spectroscopic images of Europa’s surface.
unsolved mysteries
Better Resolution Might Unlock the Mystery of Storms
Climate models have many persistent and systematic biases, but a new study shows that allowing for a physical rather than statistical representation of energy transport reduces one of them.
Iron Is at the Core of This Earth Science Debate
A new study investigates iron’s form at the planet’s interior. The findings have repercussions for understanding the inner core’s structure.
Making Sense of the Great Barrier Reef’s Mysterious Green Donuts
Researchers set sail to the Great Barrier Reef to study how ring-shaped algae deposits formed and evolved, what feeds them, and the diversity of creatures that call them home.
Marauding Moons Spell Disaster for Some Planets
In solar systems beyond our own, some moons might eventually collide with their host planets, new simulations suggest.
Quaoar’s Ring Defies Gravity
The dwarf planet’s ring makes astronomers question whether a long-held theory about ring and moon formation needs tweaking.
Mercury Isn’t Alone in Orbit, and Scientists Don’t Know Why
A cloud of dust traces the innermost planet’s orbital path. By all accounts, it shouldn’t be there.
“Hot Jupiter” Is in a Possible Death Spiral
Kepler’s first exoplanet is migrating toward its star, an evolved subgiant that is much bigger than first thought.
The Crust Travels to the Earth’s Core and Back in Record Time
Subduction of continental crust around the Gondwana supercontinent may explain the mantle Dupal anomaly of the southern hemisphere.
New Crowdsourced Science Project Will Study Sprites
The NASA-funded project is asking sky gazers, storm chasers, and scientists to capture photos of sprites and other optical phenomena that flash above thunderclouds after a lightning strike.