Two years after his last Las Vegas speech on climate change, former Vice President Al Gore returned to the valley Tuesday with a similar message of alarm and optimism.
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A giant six-engine aircraft with the world’s longest wingspan completed what company officials called a superb initial flight over California’s Mojave Desert.
The team behind the Israeli spacecraft that crashed into the moon moments before touchdown was working Friday to try and piece together what derailed the ambitious mission, which sought to make history as the first privately funded lunar landing.
Scientists on Wednesday revealed the first image ever made of a black hole, depicting its hot, shadowy edges where light bends around itself in a cosmic funhouse effect.
Precious water is vanishing into thin air at the Colorado River’s two largest reservoirs, and scientists are only now learning the true scale of the problem.