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  1. nasa.gov
    https://science.nasa.gov › people › david-latham

    David Latham - NASA Science

    Nov 5, 2024 · I am a senior astronomer at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts. I have been working on the search for planets orbiting nearby …

  2. nasa.gov
    https://science.nasa.gov › universe

    Universe - NASA Science

    Dec 3, 2025 · By studying clusters of stars born from the same gas cloud at the same time, astronomers can test theories about stellar development, including how stars form, age, and …

  3. nasa.gov
    https://science.nasa.gov › universe › stars

    Stars - NASA Science

    May 2, 2025 · Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements. Every star has its own life cycle, ranging from a few million to …

  4. nasa.gov
    https://science.nasa.gov › eclipses › future-eclipses

    March 29, 2025, Partial Solar Eclipse - NASA Science

    On March 29, 2025, the Moon will pass in front of and partially block the Sun, casting a shadow on parts of the Northern Hemisphere. The central part of the Moon’s shadow, where the Sun …

  5. nasa.gov
    https://science.nasa.gov › universe › stars › types

    Types - NASA Science

    Oct 22, 2024 · Scientists call a star that is fusing hydrogen to helium in its core a main sequence star. Main sequence stars make up around 90% of the universe’s stellar population.

  6. nasa.gov
    https://science.nasa.gov › earth › earth-observatory › the-drumlin-island…

    The Drumlin Islands of Boston Harbor - NASA Science

    Apr 23, 2025 · A national recreation area and state park protect an archipelago made of glacial debris in eastern Massachusetts. Â

  7. nasa.gov
    https://science.nasa.gov › exoplanets › stars

    Stars in an Exoplanet World - Science@NASA

    Dec 11, 2024 · Stars are the most basic building blocks of galaxies. The age, distribution, and composition of stars trace the history, dynamics, and evolution of their galaxy.

  8. nasa.gov
    https://science.nasa.gov › skywatching

    Skywatching Tips From NASA

    Dec 1, 2025 · Stars are spread all across the canvas of the sky, but they appear denser in places. For example, there are clusters of stars, like the Pleiades, and the region of the sky where the …

  9. nasa.gov
    https://science.nasa.gov › solar-system › skywatching

    What’s Up: January 2025 Skywatching Tips from NASA

    Dec 30, 2024 · Four Planets in One View! Each evening this month, enjoy a sweeping view of four bright planets at once. Also look for a close approach of Venus and Saturn, Mars occulted by …

  10. nasa.gov
    https://science.nasa.gov › universe › black-holes

    Black Holes - NASA Science

    May 21, 2025 · Astronomers tracked the orbits of several stars near the center of the Milky Way to prove it houses a supermassive black hole, a discovery that won the 2020 Nobel Prize.