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Why Are Sea Stars Dying from New Jersey to Maine? Divers Asked to Report Large Groupings of Starfish
July 23, 2013 — Marine biologists are working to identify the cause of a disease that is killing sea stars (starfish) from New Jersey to ... > full story -
A Warmer Planetary Haven Around Cool Stars, as Ice Warms Rather Than Cools
July 19, 2013 — In a bit of cosmic irony, planets orbiting cooler stars may be more likely to remain ice-free than planets around hotter stars. This is due to the interaction of a star’s light with ice and ... > full story -
Snow in an Infant Solar System: A Frosty Landmark for Planet and Comet Formation
July 18, 2013 — A snow line has been imaged in a far-off infant solar system for the very first time. The snow line, located in the disc around the Sun-like star TW Hydrae, promises to tell us more about the ... > full story -
Hubble Shows Link Between Stars' Ages and Their Orbits in Dense Cluster
July 18, 2013 — Astronomers using NASA's Hubble Space Telescope have determined the orbital motion of two distinct populations of stars in an ancient globular star cluster, offering proof they formed at different ... > full story -
In the Zone: How Scientists Search for Habitable Planets
July 17, 2013 — There is only one planet we know of, so far, that is drenched with life. That planet is Earth, and it has all the right conditions for critters to thrive on its surface. Do other planets beyond our ... > full story -
Earth's Gold Came from Colliding Dead Stars
July 17, 2013 — We value gold for many reasons: Its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it ... > full story -
Ripped Apart by a Black Hole: Gas Cloud Makes Closest Approach to Monster at Center of Milky Way
July 17, 2013 — New observations show for the first time a gas cloud being ripped apart by the supermassive black hole at the centre of the galaxy. The cloud is now so stretched that its front part has passed the ... > full story -
Disks Don't Need Planets to Make Patterns, NASA Study Shows
July 13, 2013 — Many young stars known to host planets also possess disks containing dust and icy grains, particles produced by collisions among asteroids and comets also orbiting the star. These debris disks often ... > full story -
Stellar Monsters Do Not Collide: No Hope for a Spectacular Catastrophe
July 11, 2013 — One might expect that collisions between the remains of monstrous stars, with masses reaching 200-300 times that of our Sun, would be among the most spectacular phenomena in the Universe. Perhaps ... > full story -
Hubble Finds a True Blue Planet: Giant Jupiter-Sized Planet Located 63 Light-Years Away
July 11, 2013 — Astronomers using NASA's Hubble Space Telescope have deduced the actual visible-light color of a planet orbiting another star 63 light-years away. If seen directly the planet, known as HD 189733b, ... > full story
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