NASA ScienceCasts

On January 31, 1958, the United States joined the "space race" with the successful launch of the Explorer 1 satellite, marking the birth of space science.

Cameras on NASA spacecraft have treated us to intriguing and inspiring perspectives of our home planet as they've looked back at Earth from various locales.

The International Space Station is more than just a bright light in the night sky. It is also an out-of-this-world research laboratory.

A series of three supermoons will appear on the celestial stage on December 3, 2017, January 1, 2018, and January 31, 2018.

Researchers are studying flashes and glows that appear above thunderstorms and are results of activity occurring in and below those storms.

New Horizons is on its way to new discoveries deep in the Kuiper Belt – a region inhabited by ancient remnants from the dawn of the solar system

Gravity’s pull is being used to help propel a small spacecraft known as OSIRIS-REx to a near-Earth asteroid called Bennu.

There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.

On August 21, 2017, a continent-spanning wave of instruments from home-made pinhole cameras to the most sophisticated telescopes in operation today will be trained on the Eclipse Across America.

Cassini is in the process of executing 22 daring ‘Grand Finale’ dives in the 1,200-mile gap between Saturn and its innermost ring, concluding with an epic final plunge into the gas giant’s upper atmosphere.