A letter to the editor in Nature Geoscience notes that this year marks the 100-year anniversary of Milutin Milankovitch’s (Milanković’s) book explaining how slow changes in Earth’s orbital and astronomical motions could affect its climate.¹ This book, entitled Mathematical Theory of Heat Phenomena Produced by Solar Radiation, laid the mathematical groundwork for wh

The preserved carcass of a “prehistoric” cave bear has been discovered in melting permafrost on an Arctic Russian Island.^1,2 Reindeer herders discovered the remains of the adult cave bear on Bolshoy (or Great) Lyakhovsky Island, part of the New Siberian Islands off the coast of northern Russia.² This is the first time that a whole bear carcass with preserved soft tissues h

A comet in the night sky is an awe-inspiring sight (Figure 1). People throughout history have sometimes seen comets as portents of doom. However, God warned the people of Israel not to fear such signs in the heavens:

This summer, the Hubble Space Telescope took a brilliant new photograph of Saturn and its rings.¹ Saturn’s moons Mimas and Enceladus can also be seen in the photo. For a number of years now, the Hubble Space Telescope has been taking yearly photographs of Saturn at about the time that Earth is closest to the planet, about 840 million miles away.