NASA ScienceCasts

The new solar arrays on @Space_Station, iROSA, are providing power to the station with improved efficiency. ROSA technology will also help power Gateway, and the DART mission!

The ISS is a one-of-a-kind laboratory, as well as an incubator for new business, accelerating the development of a new space economy in low-Earth orbit.

Colorful bursts of energy above thunderstorms called transient luminous events can be observed from the ISS. Instruments on the station are helping scientists study these particle outbursts.

The International Space Station is well known as an orbiting laboratory, but during the past decade the station has also served a very different role - that of being a business incubator. One of its star products is the CubeSat.

The commercialization of low-Earth orbit is enabling a new market in space, while aiding NASA in its mission of exploration and discovery.

Earth observing instruments on the space station along with photography from crew members serve to keep a multifunctional eye on our home planet.

Scientists are using AMS-02 on the Space Station to study fundamental particles originating from sources up to billions of light years away. These particles may hold the key to understanding both the composition and history of our universe.

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.

The continuously expanding solar wind begins in our Sun and doesn’t stop until after it reaches the edge of the heliosphere.

AMS-02 is helping scientists investigate many fundamental physics questions from its place on the space station. Astronauts are conducting a series of spacewalks to perform repairs and extend the life of the observatory.

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.

Neptune will be at opposition in September, providing an opportunity to observe this planet that is invisible to the naked eye, but that scientists would love to see more clearly.

"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?

Welcome to the world of 3D biomanufacturing, a cutting-edge practice on Earth that is being tested aboard the International Space Station.

In July 1994, astronomers around the world watched as the fragments of comet Shoemaker-Levy 9 slammed into the planet Jupiter.

Scientists are unlocking clues about the earliest formation of our solar system from a Kuiper Belt Object known as 2014 MU69.

Experiments have taken place aboard the International Space Station to study cement based concrete in microgravity.

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.

Living 3D versions of human organs called Tissue Chips are being sent to the International Space Station to be studied in microgravity.

NASA is using sounding rockets to study the cusp, a point where the magnetic bubble that surrounds our planet dips inward and touches down to Earth.

The relationship between a successful exploration mission and balanced nutrition is vital in the extreme vastness of outer space.

As NASA prepares to send astronauts and spacecraft long distances through space, scientists are keeping an eye on the weather. Space weather.

2019 is an excellent year to look to the sky and enjoy the spectacular view of Earth’s nearest neighbor, the Moon.

Small Worlds hold keys to questions about our solar system and the origin of life on Earth.

NASA uses CubeSats for new science missions and to test new electronics, sensors and software that might be included on larger missions.

The Geminids meteor shower will be viewed from above by the Meteor camera on the International Space Station, as well as from below by sky watchers on Earth.

People around the world have the opportunity to participate in the study of comet 46P/Wirtanen as it has a close approach with Earth in December of 2018.

The Refabricator on the International Space Station is a hybrid 3D printer that can also recycle materials to make new items.

Lightning is beautiful and powerful, and has been observed on planets across the solar system.

NASA's ECOSTRESS mission is studying how plants sweat, providing detailed measurements of plant temperatures from space.

During the Year of Education on Station, NASA astronauts Joe Acaba and Ricky Arnold have shared their love of STEM and their passion for teaching.

Gloveboxes on the ISS allow for experiments on materials that you wouldn't want escaping into the station's enclosed space.

NASA missions are helping scientists study the cryosphere - the many forms of ice found on Earth.

Data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) are helping scientists study increases in Earth's atmospheric carbon dioxide levels.

The TSIS instrument on the International Space Station is continuing NASA's 40-year record of tracking the Sun's radiant energy.

The Perseid Meteor Shower peaks on the night of August 12 into the morning of August 13. With a clear sky, observers will be able to see up to 60 meteors per hour at its peak.

The Parker Solar Probe will help scientists learn more about the solar wind, an exotic stew of magnetic forces, plasma and particles.

The July 27th night sky offers treats for sky watchers -- and listeners -- around the globe.

Researchers are using a technology solution called Fluid Lensing to study coral reefs and help better understand reef ecosystems.

The WORF and the optical quality window on the station are a perfect blend of art and science, allowing for Earth science research and amazing high-resolution photos of the Earth.

A coordinated effort is being made by many nations around the world to detect and track near-Earth objects, such as asteroids.

We’ve always referred to Mars as the red planet because of its surface color. But what’s below that dusty crust? NASA's InSight mission is determined to find out.

A neutron star can be a radio pulsar and later become a magnetar. Or maybe it’s the other way around!

NASA researchers are creating a spot colder than the vacuum of space inside the International Space Station.

As the Juno spacecraft orbits Jupiter, new discoveries about the giant planet continue to be made.

The International Space Station is a testbed for technologies that will allow astronauts to live comfortably during long journeys into the solar system.

The ionosphere is where Earth's atmosphere gives way to space, and two new NASA missions will work together to uncover its secrets.

Enveloping our planet and protecting us from the fury of the Sun is the magnetosphere, a key to helping Earth develop into a habitable planet.

On the evening of March 18, step outside for a view of the crescent Moon, Venus, and Mercury together above the twilight horizon.

Scientists are learning more about combustion through a series of experiments on the International Space Station.