Earth's outer core deprived of oxygen: study

The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen is the most ...

Apollo 13 checklist part of space artifacts auction

A notebook containing Apollo 13 commander James Lovell's handwritten calculations to guide the damaged spacecraft back to Earth is being auctioned along with other artifacts from the 1970 mission.

FBI, DHS dismiss report of water plant hack

US investigators have dismissed a report that computer hackers were behind the failure of a water pump at a plant in the midwestern US state of Illinois.

Draft sequence of monarch butterfly genome presented

Each fall millions of monarch butterflies from across the eastern United States use a time-compensated sun compass to direct their navigation south, traveling up to 2,000 miles to an overwintering site in a specific grove ...

page 3 from 7