Earth had Saturn-like rings 466 million years ago, new study suggests
Faraway black hole unleashes record-setting energetic jets
NASA scientists solve mystery of curious 'spiders' on Mars
Best-ever 'Cloud Atlas' of Mars showcases stunning cloud patterns (photos)
Scientists detect longest pair of jets streaming from a supermassive black hole
Harvest supermoon and partial lunar eclipse dazzle the night sky in rare phenomenon
Notre Dame's dead poet "cold case" mystery may be solved
Pollen Can Seed Clouds, Fuel Rainfall, Study Finds
