The New Horizons spacecraft flew by Pluto at 7:49 a.m. EDT on July 14, 2015. Astronomy writer Christopher Crockett wrote several updates from mission control at the Johns Hopkins University Applied Physics Lab in Laurel, Md., from July 12-15, and reviewed some of the mission's major milestones from the last several months. Check our Mission to Pluto editor’s pick for the latest on New Horizons...
BRISTOL, England — Paleontologists have unearthed the nearly complete remains of an immense ichthyosaur with serrated teeth, an evolutionary innovation that would have rendered the behemoth the top predator in its ecosystem.
The newly described marine creature, whose remains were discovered at a remote site in central Nevada, lived about 240 million years ago, at a time early in...