Carla Da Silva

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With Rocket Blown Up, Orbital Sciences Hitches A Ride To Space

While the Antares rocket is in the shop, the Atlas V will bring Orbital Sciences to the ISS<p>In October, private spaceflight company Orbital Sciences suffered a major setback when its Antares rocket exploded shortly after launching from Wallops Flight Facility in Virginia. Orbital's investigations …

Space Exploration

A scientist unlocks one of the mysteries of Arctic ice melt

On a bright day in early May, Chris Polashenski tromps across the ice north of Alaska — 100 miles from the nearest land — to sink half-a-dozen plastic pipes into the ice.<p>Other researchers are spread out around the <i>Healy</i>, a Coast Guard icebreaker. Some have begun drilling through the ice or sawing up …

Microbes discovered by deepest marine drill analysed

<b>Life uncovered by the deepest-ever marine drilling expedition has been analysed by scientists.</b><p>The International Ocean Discovery Program (IODP) found microbes living 2,400m beneath the seabed off Japan.<p>The tiny, single-celled organisms survive in this harsh environment on a low-calorie diet of …

Biology

Prescribing ever more pills is bad for the public's health

Doctors should not be judged on the volume of their prescribing but on its quality – ensuring that patients make informed choices about the potential risks and benefits<p>Last week, we learned that 43% of men and 50% of women in England are taking at least one prescription medication. Of those …

North Korea threatens 'toughest ever' action against United States human rights allegations

North Korea has accused the United States of trying to topple it with allegations of human rights abuses, and threatened to hit back with the …

Sydney siege: Tony Abbott says Sydney gunman Man Haron Monis was not on security watchlists

Prime Minister Tony Abbott has revealed the gunman responsible for the Sydney siege was not on a security watchlist, despite his long criminal …