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Three galaxies in this cosmic string are missing a crucial component of the universeAstronomers have discovered a third galaxy without dark matter in a strange string of a dozen dwarf galaxies. A violent collision is likely to blame.
space -
Catch an orange 'Buck Moon' rise tonight before a month of solar and lunar eclipsesJuly's full moon will be at its best on the night of July 29. It's the last regular full moon before a total solar eclipse and partial lunar eclipse in August.
the-moon -
2 meteor showers peak on the same night this week — when to get the best viewsThe Delta Aquariids peak on July 30-31, kicking off "meteor season," though bright moonlight will likely limit views.
meteoroids -
Humanity's first look at the surface of Mars shared on 50th anniversary of historic NASA landingSpace Photo of the Week NASA has unearthed the historic photos its Viking 1 lander sent home just after landing on Mars in July 1976.
Space Photo of the Week -
Scientists discover chunk of the universe's missing matter hiding between galaxiesThe total amount of ordinary matter in our universe adds up to roughly one-tenth of what's expected. Now, scientists think they may have found some of it between galaxies.
3 Commentsastronomy -
What does 'parsec' mean?Science word of the day Pronunciation: PAHR'-sek
4 CommentsScience word of the day -
NASA awakens New Horizons spacecraft to do science billions of miles beyond PlutoNASA's record-breaking New Horizons spacecraft has awoken from a 321-day hibernation in "good health" as it resumes unprecedented science at the solar system's edge.
3 Commentsspace-exploration -
Mysterious 'little red dots' at the beginning time may finally have an explanationAstronomers may have found an unexpected origin for the mysterious "little red dots" that appear to be so common in James Webb Space Telescope surveys of the early universe.
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What does 'heliosphere' mean?Science word of the day Pronunciation: HEE'-lee-uhs-feer
Science word of the day
