A star known as S0-2 made its closest approach to the supermassive black hole at the center of the Milky Way in 2018.
Scientists are studying the condition of the Ogallala aquifer underneath Kansas farmlands, which use this freshwater resource for irrigation. They want to understand changes taking place and what the future holds, and to help develop a sustainable plan for water management. [5:37]
The National Science Foundation and Discover Magazine hosted a congressional briefing series examining what steps must be taken to ensure clean, abundant wind, solar, biomass and geothermal energy for America's future. [40:53]
National Science Foundation-funded paleontologists have identified a new species of titanosaurian dinosaur. [0:43]
The National Science Foundation (NSF) celebrates its 66th year of funding groundbreaking science and engineering. [1:26]
Landslides occur when material like debris, rock, and soil become dislodged from the earth and slide downward at speeds that can approach 100 miles per hour. David Montgomery at the University of Washington studies past and present landslides to try to understand what causes them. [5.36]
Scientists at Oregon State University study the behavior of tsunamis and how they are formed so they can help people to be better prepared for them. [5:59]
Volcanoes are one of the most powerful natural hazards on Earth, but supervolcanoes are so large that they have the ability to alter the world's climate. [5.33]