4 Stories

Hunch Leads Astronomer to New Neptune Moon

Planet's 14th moon is just 12 miles across

(Newser) - An astronomer poring over old images from the Hubble Space Telescope has discovered a previously unknown 14th moon of Neptune. SETI Institute researcher Mark Showalter—who has five other moon discoveries to his name—followed a hunch while studying ring segments around the planet and tracked a white dot to... More »

Solar System Kicked Out Extra Planet

Early ejection may have helped Earth survive

(Newser) - Thank your lucky stars that our solar system was only big enough for eight planets. Apparently a ninth one—and a gas giant, no less—was nudged out billions of years ago and made room for Earth to survive. In computer simulations of our solar system's evolution, Colorado scientist... More »

'Ocean of Diamond' May Shimmer on Neptune, Uranus

Molten diamond experiment suggests that liquid space bling abounds

(Newser) - Vast oceans of liquid diamond with icebergs of solid diamond floating on the surface may exist on Uranus and Neptune. Scientists melting diamonds—which requires incredibly high pressure as well as temperatures—were surprised to discover that it behaves much like water in its molten state and believe that could... More »

Oldest Caesar Bust Found in France

Treasure at bottom of river in Arles

(Newser) - The oldest bust of Julius Caesar ever found is among an ancient treasure trove discovered at the bottom of the Rhone river near the southern French town of Arles, which was founded by Caesar in 46 BC. The life-size marble bust depicts Caesar as a balding man with wrinkles, reports... More »

4 Stories