Excessive clustering of tree species in urban forests and overreliance on introduced species may make urban forests more vulnerable to pests or disease and reduce their ecosystem benefits, a study ...

Stargazers are in for a treat this December with the Christmas Tree Cluster (NGC 2264), a stunning formation of young stars that resemble an evergreen tree. Visible between the constellations Orion ...

As Orion and Gemini rise in the east after dark, they carry between them the lesser-known constellation Monoceros. Within this star pattern is our target for tonight: the festive Christmas Tree ...

Newborn stars, hidden behind thick dust, are revealed in this image of a section of the so-called Christmas Tree Cluster from NASA’s Spitzer Space Telescope. The newly revealed infant stars appear as ...

Cambridge, MA – The signs of the holidays are all around us – wreaths on doors, twinkling lights in windows, and decorated trees in living rooms. Even outer space is joining the year-end celebration ...

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This new image of NGC 2264, also known as the "Christmas Tree Cluster," shows the shape of a cosmic tree with the glow of stellar lights. NGC 2264 is, in fact, a cluster of young stars—with ages ...