Joe Hernandez

Updated June 11, 2021 at 4:05 PM ET

Darnella Frazier, who was 17 when she recorded George Floyd's murder in Minneapolis last year, was awarded a special citation by the Pulitzer Board on Friday.

The video played a major role in igniting a global protest movement against police violence, and was used as evidence in the trial of Floyd's killer.

The president of El Salvador announced Wednesday that the country's state-run geothermal energy utility would begin using power derived from volcanoes for Bitcoin mining.

The announcement on social media came just hours after the Central American nation's congress voted to make the cryptocurrency an acceptable legal tender.

A retired California nun has agreed to plead guilty to stealing $835,339 from a Catholic elementary school where she was the principal — in part to fund her gambling habit.

Mary Margaret Kreuper, 79, is charged with one count of money laundering and one count of wire fraud, the Justice Department announced Tuesday. It said she agreed to plead to both federal charges, which carry a maximum prison term of 40 years.

An annular solar eclipse occurred Thursday morning. Some viewers across the globe saw the moon pass directly in front of the sun, creating a "ring of fire" effect in the morning sky.

Observers living in other areas would have only seen a partial solar eclipse, which makes the sun look like a glowing orange crescent.

Nothing can ruin our joy in the aurora borealis, or northern lights, those ribbons of blue, green and violet light that cascade from the sky. Not even knowing for sure what causes them.

Physicists have long speculated about what gives rise to this very specific light phenomenon that occurs in the Earth's polar regions.

Now they're certain.

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