This year's monsoon rainfall began on June 5 in southern India. This animation, made from satellite data, shows where the precipitation fell as the season started.
Warming temps, and the rise and fall of coasts, complicate measurements of sea level. How do scientists establish sea level on a constantly changing Earth?
Over 3,800 meters (12,500 feet) below the surface, researchers found towering white chimneys venting scalding hot water, colonized by animals that thrive in the toxicity and heat.
A close relative of Triceratops, Hellboy has sharp horns on its nose and over its eyes, and also an ornate frill behind its head, likely for sexual display.