The aircraft over the course of the journey set records for longest solo flight and most time in a solar-powered flight.
The U.S., Brazil and China all released major commitments to reduce or at least slow their greenhouse gas emissions. Continue reading →
These mysterious electric blue wisps, which form on the edge of space, could be a sign of climate change.
Smoke from Canadian wildfires, as it turns out, created that deeper solar hue.
The first day of Spring began with some dazzle in Europe and the Arctic with a solar eclipse.
This image isn't a close-up from the garden, but an active area of strong magnetic fields on the sun's chromosphere.
On Earth, the sun usually looks like an orange blob or a yellow blob, depending on the time of day. Fascinating, sure, but - a blob. If you want to take the boring out of the sun, you need NASA images. Amy explains how the agency gets its cool shots.
While fossil fuel energy represents the most common class of power generation, solar power just made a big leap forward, hitting 46 percent efficiency. Trace runs down the details and sees how the breakthrough stacks up against other power systems.
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