Using data from the ICESat and ICESat-2 laser altimeters, scientists precisely measured how much ice has been lost from ice sheets in Antarctica and Greenland between 2003 and 2019. The Antarctic Peninsula, seen here, was one of the fastest changing regions of the continent. Credits: NASA / K. Ramsayer The results provide insights into how […]
Venus was once Earth-like and maybe even habitable. Why is it so different from Earth now? This week NASA announced its selection of four finalists in its Discovery Program competition, and one of the selected groups hopes to help find an answer. UAF Geophysical Institute research professor Robert Herrick is a member of the science team for […]
This artist’s concept shows one of NASA’s Voyager spacecraft entering interstellar space, or the space between stars. This region is dominated by plasma ejected by the death of giant stars millions of years ago. Hotter, sparser plasma fills the environment inside our solar bubble. Credits: NASA/JPL-Caltech Full image and caption One year ago, on Nov. […]
Words such as these were emblazoned in dozens of languages on the front page of newspapers around the world, echoing the first part of President John F. Kennedy’s bold challenge to the nation, made more than eight years earlier – to land a man on the Moon. That part was successfully accomplished on July […]