Search Results for: Angiosperm

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49 results
  1. Paleontology

    Insect bites in plant fossils reveal leaves could fold shut millions of years ago

    The 252-million-year-old fossil leaves have symmetrical holes, which suggest an insect bit through the leaves when they were folded.

  2. Paleontology

    The dinosaur-killing asteroid impact radically altered Earth’s tropical forests

    The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.

  3. Plants

    Tiny fossils set record for oldest flowerlike pollen

    Oldest flowerlike pollen might have come from an ancient relative of today’s flowering plants.

  4. Earth

    Warm spell spurred tropical biodiversity

    The number of plant species exploded in South America as atmospheric carbon dioxide, and temperatures, rose abruptly about 56 million years ago.

  5. Ecosystems

    Flowering plants welcome other life

    When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.

  6. Plants

    Floral Shocker: Blooms shake roots of flowering-plant family

    A tiny aquatic plant, once thought to be related to grasses, raises new questions about the evolution of the earliest flowering plants.

  7. Building Beauty

    Deconstructing flowers yields the secrets of petals, scents and hue.

  8. Humans

    Summer Reading

    The staff of Science News presents wide-ranging recommendations of books for readers to pack for their summer vacations.

  9. Plants

    A Frond Fared Well: Genes hint that ferns proliferated in shade of flowering plants

    Analyses of genetic material from a multitude of fern species suggest that much of that plant group branched out millions of years after flowering plants first appeared, a notion that contradicts many scientists' views of plant evolution.

  10. Tree pollen exploits surrogate mothers

    An Algerian cypress releases pollen that can develop without fertilization, using another tree species' female organs instead of a mate's.

  11. Volume Information

  12. Scientists Upset Insect Orthodoxies