Science Video reveals the beauty of alien world sunsets Popkin

Science Newly proposed definition of "a planet" still excludes Pluto Gail Sherman

Science This is the planet that smashed into Earth and created the Moon, and pieces of it are buried deep below us David Pescovitz

astronomy Scientists have discovered a rare perpendicular solar system Thom Dunn

climate change Scientists using climate change modeling to simulate life on Arrakis Thom Dunn

astronomy Are people who study Uranus annoyed by jokes about Uranus? Thom Dunn

planetary science This fascinating video shows how fast a ball drops on the sun, the moon, and planets Carla Sinclair

planets Listen to an audio recording of the frequencies produced by six alien planets 200 light years away Thom Dunn

moon The moon is mysteriously rusting, and scientists think it's our fault Thom Dunn

planets Scientists discover "bizarre hell planet" where it rains rocks into lava oceans Thom Dunn

astronomy Getting to know 2015 TG 387, aka "the Goblin," an unconfirmed dwarf planet lurking in the Ort cloud Gareth Branwyn

Science Excellent animation comparing the rotations of the planets in our solar system David Pescovitz

Science A surprise meteorite hit the moon during Monday's total lunar eclipse David Pescovitz

video Crazy unearthly planetary phenomena described Andrea James

Weird Dark Side of the Pluto Xeni Jardin

NASA Dark Side of the Pluto revealed in new NASA image from New Horizons mission Xeni Jardin

Science How to name an exoplanet, by XKCD Xeni Jardin

Science NASA unveils gorgeous new false-color image of Pluto Xeni Jardin

Science First near-Earth-size planet in "habitable zone" around sun-like star confirmed by NASA Xeni Jardin

Science National Geographic's Pluto issue, autographed by NASA's New Horizons team Xeni Jardin