Blooms of yellowish-brown seaweed along the Equator are breaking records and defiling beaches, while a centuries-old patch farther north is disappearing.
New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun.
Artist’s impression of the collision between the early Earth and Theia, with the sun in the far distance, roughly 100 million years after the formation of the solar system.
The staggering array of modern dog breeds is typically traced to the Victorian era. But half of all canine variation was in place roughly 10,000 years ago, a new study suggests.
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