In the search for extraterrestrial life, it makes sense to first look for rocky planets with an atmosphere, like Earth. Without an atmosphere, a planet can't have surface water. But of the more than 6,300 exoplanets cataloged thus far, the vast majority are not rocky, and only a handful of the rocky worlds appear to have an atmosphere.
A new study from the University of Bath sheds light on critical U.S. intelligence failures ahead of the 9/11 attacks, including evidence that changes how the CIA's repeated failure to share…
Learn more about two new marine spider species discovered off the coast of British Columbia and how they're helping researchers learn more about marine arthropods.
