People watch a TV showing images of North Korean leader Kim Jong Un (right), South Korean President Moon Jae-in and U.S. President Donald Trump — and the words "Thawing Korean Peninsula" — at a railway station in Seoul, South Korea on March 7.
The Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission, shown in an artist's rendering, will measure tiny fluctuations in Earth's gravitational field to show how water moves around the planet.
People wait in line to enter the U.S. Supreme Court last month. The court sided with businesses on not allowing class-action lawsuits for federal labor violations.
Mark Wilson/Getty Images
People walk through a flooded street in in Miami Beach, Fla., in 2015. The city is eyeing $500 million in infrastructure upgrades, installing 80 new pumps over a decade to redirect floodwaters back to the ocean.
Joe Raedle/Getty Images