Remote estimation of fluorescence emitted by plants can indicate variations in photosynthesis performance.
cool tools
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.
Posted inFeatures
The Art and Science of Hubble's Images
How do Hubble images get their vivid colors and subtle shading?
Posted inFeatures
Hubble Turns 25
Breathtaking images, groundbreaking science, and a demonstration of humankind's ability to work in space have made Hubble a cultural icon for a quarter of a century.
Posted inResearch Spotlights
Do All These Weather Satellites Really Improve Forecasts?
A team of researchers put an array of space- and ground-based weather instruments to the test and found that the common weather balloon is irreplaceable for forecasting rainfall.
Posted inResearch Spotlights
Particle Accelerator in Space Could Help Scientists Study Auroras
Researchers could launch an electron beam device into space to study the Earth's magnetic field and trigger artificial auroras and lightning.
Posted inScience Updates
Fire in the Hole: Recreating Volcanic Eruptions with Cannon Blasts
Artificial volcanic plumes, fired from cannons loaded with ash plucked from the slopes of Iceland, may help researchers better monitor disruptive eruptions.