Science

Everything old is new again: These paleontological discoveries of 2025 — from tiny dinosaurs to zombifying fungi — opened up brand-new insights into the distant past.Nanotyrannus grows upNanotyrannus came into its own in 2025. The diminutive dinosaur may have...

Victoria Gill, Kate Stephens and Gwyndaf Hughes,BBC News science teamandAhmed Nour,BBC News ArabicGetty ImagesGreat white sharks in the Mediterranean Sea are in danger of disappearing, with illegal fishing contributing to their decline.This is according to research by US scientists,...

An Intertwined History: The Earth Observer and EOSThe Earth Observer, a newsletter issued for more than 36 years, will release its last online content at the close of 2025. This newsletter evolved in parallel with NASA’s Earth Observing System...

Explore This SectionEarth Earth Observer Editor’s Corner Feature Articles Meeting Summaries NewsScience in the News Calendars In Memoriam AnnouncementsMoreArchives Conference Schedules Style Guide27 min read Terra: The End of An EraIntroduction Launched into the night sky more than 26 years ago, on Dec. 19, 1999, from Vandenberg Air Force Base (now...

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an orderly shutdown of the publication. No new content will be published after Dec. 31, 2025.While the sunset...

IntroductionThe Clouds and the Earth’s Radiant Energy System (CERES) was initially designed in the late-1980s and early-1990s as a facility instrument for NASA’s Earth Observing System (EOS). Since its inception, NASA’s Langley Research Center (LaRC) has led this effort....

CrushJames RiordonThe MIT Press, $29.95Isaac Newton confessed that he had no idea what gravity was. The 17th century English polymath knew what it did, and he described it with a universal law of gravitation. But where the law came...