When the gravity of the Sun and Moon causes Earth's crust to bulge every 2 weeks, slow-moving earthquakes proliferate in the lower reaches of the San Andreas, a new study finds.
cool tools
Posted inNews
Could 3-D Printers Create Shelters for Future Lunar Settlers?
Test of a novel solar-powered printer yielded a prototype construction brick made from simulated lunar soil.
Posted inNews
Temperature-Sensing Overalls Offer Scientific Promise
In a proof-of-concept experiment, researchers test out how well a pair of fisherman's waders can sense changes in water temperature.
Posted inOpinions
The Case for Multiuser Facilities
As federal agencies look to slash costs, facilities become obvious targets. But cutting funds to these vital programs may have far-reaching consequences.
Posted inNews
3-D Models Put Scientists, Students in Touch with Planets
Three-dimensional printing gives planetary scientists new ways to explore distant worlds and engage students.
Posted inFeatures
Kepler: A Giant Leap for Exoplanet Studies
NASA's low-cost space telescope opened up a universe of possibilities for scientists who scour space in search of planets—and possibly life.
Posted inScience Updates
On the Rebound: Modeling Earth's Ever-Changing Shape
A new modeling tool easily computes the elastic response of changes in loading on Earth's surface to high resolution. Scientists test this tool using finely detailed data on glaciers' mass changes.
Posted inScience Updates
Puzzles Invite You to Explore Earth with Interactive Imagery
The EarthQuiz challenge can take you to virtual field locations with just the click of a button. Where in the world is this, and can you guess the significance of the geological features shown?
Posted inScience Updates
Dispelling Clouds of Uncertainty
How do you build a climate model that accounts for cloud physics and the transitions between cloud regimes? Use MAGIC.
Posted inFeatures
Gazing Toward the Universe's Edge: Hubble's Deep Field Legacy
Hubble's sensitive cameras give scientists a chance to witness the birth of galaxies.