Astronauts completed their second spacewalk in under a week on Wednesday to replace old batteries outside the International Space Station. Cmdr. Chris Cassidy and Bob Behnken quickly tackled the big, boxy batteries. For every two outdated batteries coming out, a new and improved one goes in to supply power to theRead More →

A little-known Indian information technology company offered its hacking services to help clients spy on more than 10,000 email accounts over a period of seven years. New Delhi-based BellTroX InfoTech Services targeted government officials in Europe, gambling tycoons in the Bahamas, and well known investors in the United States, including private equity giantRead More →

Ukrainian emergency officials said Tuesday they have extinguished forest fires in the radiation-contaminated area near the Chornobyl nuclear power plant, but acknowledged that grass was still smouldering in some areas. Hundreds of firefighters backed by aircraft have been battling several forest fires around Chornobyl for the past 10 days. TheyRead More →

Scientists have figured out how to calculate the age of whale sharks — Earth’s largest fish — with some guidance from the radioactive fallout spawned by Cold War-era atomic bomb testing. By measuring levels of carbon-14, a naturally occurring radioactive element that also is a by-product of nuclear explosions, the researchers determinedRead More →