Messenger at Mercury. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington NASA’s Mercury Surface, Space Environment, Geochemistry, and Ranging spacecraft known as MESSENGER will…
Read the articleWASHINGTON — A NASA spacecraft will conduct the second of three flybys of Mercury on Oct. 6 to photograph most of its remaining unseen surface and…
Read the articlePicture this: A spaceship swoops in from the void, plunging toward a cloudy planet about the size of Earth. A laser beam lances out from the…
Read the articleThis Hubble Space Telescope composite image shows a ghostly ‘ring’ of dark matter in the galaxy cluster Cl 0024+17. The ring-like structure is evident in the…
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