Two hundred million years ago, prosauropods walked the earth. They left something behind.Dinosaurs once roamed the earth, including, it seems, in this spot in Italy.

Russell Vought, the White House budget director, called the laboratory a source of “climate alarmism.”National Center for Atmospheric Research in Boulder, Colo., is responsible for many of the biggest scientific advances in humanity’s understanding of weather and climate since its founding in 1960.

The professor, Nuno F.G. Loureiro, was pronounced dead at a hospital on Tuesday morning. The authorities said they had opened a homicide investigation.The professor, Nuno F.G. Loureiro, was the director of M.I.T.’s Plasma Science and Fusion Center.

A court filing by a group with deep ties to the pipeline company Energy Transfer raises questions about the growing use of amicus briefs in litigation.Energy Transfer pipes for the Dakota Access Pipeline in a staging area in Worthing, S.D., in 2015.

In Argentina, the return of pumas brought top predators back to the landscape — much to penguins’ dismay.