On a clear night, you might see thousands of stars in the sky. Most of these stars are dozens or hundreds of light years away from us. A light year is the distance a beam of light travels in a year: ...

Due to the lapse in federal government funding, NASA is not updating this website. September 2025 marks ten years since the first direct detection of gravitational waves as predicted by Albert ...

Due to the lapse in federal government funding, NASA is not updating this website. An urban heat island occurs when a city experiences much warmer temperatures than nearby rural areas. The difference ...

This exoplanetary encyclopedia — continuously updated, with more than 6,000 entries — combines interactive 3D models and detailed data on all confirmed exoplanets. When you select a planet’s name, see ...

Due to the lapse in federal government funding, NASA is not updating this website. When you think about national park and public land astronomy programs, you might picture remote locations far from ...

The (Proto) Planet: WISPIT 2b The Discovery: Researchers have discovered a young protoplanet called WISPIT 2b embedded in a ring-shaped gap in a disk encircling a young star. While theorists have ...

Due to the lapse in federal government funding, NASA is not updating this website. A NASA-sponsored team at the University of Iowa (UI) is restoring and advancing the nation’s capability to make ...

Due to the lapse in federal government funding, NASA is not updating this website. This NASA/ESA Hubble Space Telescope image features a galaxy that’s hard to categorize. The galaxy in question is NGC ...

Due to the lapse in federal government funding, NASA is not updating this website. The Sentinel-6B spacecraft recently made a crucial transition in its prelaunch journey when technicians transferred ...

Due to the lapse in federal government funding, NASA is not updating this website. This is a collection of NASA science spacecraft and aircraft. The icons are formatted as transparent PNG files for ...