A newly created isotope of the silvery metal lutetium has a strange squashed nucleus and a half-life of just a few hundred nanoseconds.
Russia could end its cooperation on the International Space Station in as little as two years, using the international sanctions imposed on Russia over its invasion of Ukraine as an excuse, according to space experts.
Experts dismiss NASA's reasons for being secretive about wet dress rehearsal of its major moon rocket.
Injured trilobite fossils provide the oldest known evidence of cannibalism.