Hurricane Carlotta is getting closer to the Pacific coast of Mexico and is gaining strength. All residents should be weather ready for this intensifying storm.
The Eemian interglacial period that began some 125,000 years ago is used as a model for contemporary climate change. Does a warm climate mean a cold Arctic?
A Hubble image of a pair of overlapping galaxies. They look as if they're colliding, but they are actually separated by tens of millions of light-years.