A rocky core was removed during restoration work in 1958, and then kept as a souvenir.
NASA's Jet Propulsion Laboratory, the leading center for robotic exploration of the solar system.
The Permian-Triassic extinction event that happened some 252 million years ago is the worst extinction event our planet has ever...
The first test flight in 2019 didn't end well. Boeing looked ready for a second attempt this summer, but it's now been scrapped...
High-resolution observations confirm that Jupiter’s global upper atmosphere is heated by transport of energy from the polar aurora....
Scientists have studied a supernova star fragment flying out of the Milky Way galaxy at nearly two million miles per hour.
A team of researchers from the University of Wisconsin, the Smithsonian Institution's National Museum of Natural History, and...
