Science@NASA
NASA ScienceCasts Narrators
Science News
Universe, Earth, Solar System
Feb 21, 2020
Near Earth Objects (NEOs) are asteroids or comets whose orbits bring them near the Earth. Sixty-five million years ago, a NEO the size of Mount Everest hit the Earth off the coast of Mexico, leading to the extinction of the dinosaurs. More recently, in 2013, a NEO exploded near Chelyabinsk,... Read More
Universe
Feb 6, 2020
NASA’s Spitzer Space Telescope ended its mission last week, wrapping up more than 16 years of making discoveries about our Universe.
Solar System, Sky Watching
Jan 31, 2020
Scientists think planets, including the Earth, form inside giant disks of gas and dust that circle young stars. Observing these disks, called protoplanetary disks, teaches us how long it takes planets to form. Until recently astronomers thought that protoplanetary disks all faded away after just a... Read More
Earth
Jan 29, 2020
NASA and several partners announced Tuesday they have renamed a key ocean observation satellite launching this fall in honor of Earth scientist Michael Freilich, who retired last year as head of NASA’s Earth Science division, a position he held since 2006.
ISS
Dec 6, 2019
The International Space Station provides the only microgravity environment in which we can test technologies critical to our deep-space exploration in the near and far-term future.
Sun, Our Sun, Earth’s Space Environment
Nov 24, 2019
The continuously expanding solar wind begins in our Sun and doesn’t stop until after it reaches the edge of the heliosphere.
Universe, ISS
Nov 21, 2019
AMS-02 is helping scientists investigate many fundamental physics questions from its place on the space station. Astronauts are conducting a series of space walks to perform repairs and extend the life of the observatory.
Solar System
Oct 24, 2019
The presence of water on the Moon opens up many exciting possibilities for future exploration and just as many questions about that water’s origins.
Solar System, Planets of Our Solar System, Sky Watching
Sep 9, 2019
Neptune will be at opposition in September, providing sky watchers and astronomers the opportunity to observe this planet that is invisible to the naked eye, but that scientists would love to see more clearly.
Universe
Aug 13, 2019
"Black Holes" is one of the most highly searched terms about our universe. How much of what we think we know about black holes is actually true?
ISS
Jul 30, 2019
Welcome to the world of 3D biomanufacturing, a cutting-edge practice on Earth that is being tested aboard the International Space Station.
Solar System, Planets of Our Solar System
Jul 26, 2019
In July 1994, astronomers around the world watched as the fragments of comet Shoemaker-Levy 9 slammed into the planet Jupiter.
Solar System
Jul 8, 2019
Scientists are unlocking clues about the earliest formation of our solar system from a Kuiper Belt Object known as 2014 MU69.
ISS
Jun 11, 2019
Experiments have taken place aboard the International Space Station to study cement based concrete in microgravity.
Earth, ISS
Apr 30, 2019
The Global Ecosystem Dynamics Investigation (GEDI) on the space station beams laser light down to Earth to reveal the height and density of trees and vegetation.
