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Changes in earth`s orbit blamed for Antarctic warming that ended last ice age

Last Updated: Thursday, August 15, 2013, 22:08

A US-led research team studying a new ice core from West Antarctica found that warming there was well under way 20,000 years ago.

`Big` Earth plays tug-of-war with Neptune-sized planet around same star

Last Updated: Friday, June 22, 2012, 12:51

Researchers have discovered a bigger version of Earth locked in an orbital tug-of-war with a much larger, Neptune-sized planet.

Biggest full moon of 2012 due to arrive on Saturday

Last Updated: Wednesday, May 2, 2012, 13:50

The moon is set to get a lot bigger and brighter than average this weekend as it officially becomes full on Saturday (May 5) at 11:35 p.m. EDT.

When is the winter solstice?

Last Updated: Thursday, December 22, 2011, 12:46

The official onset of winter and the beginning of the end for long, dark nights in the northern hemisphere is marked by the winter solstice.

Russia is resigned to losing Mars moon probe

Last Updated: Wednesday, November 23, 2011, 10:10

The unmanned $170 million Phobos-Ground was launched two weeks ago and reached preliminary Earth orbit.

Russia races to rescue Mars probe from Earth orbit

Last Updated: Thursday, November 10, 2011, 08:52

A Russian spacecraft on its way to Mars with 12 tons of toxic fuel is stuck circling the wrong planet: ours. And it could come crashing back to Earth in a couple of weeks if engineers can`t coax it back on track.

New US satellite to monitor debris in Earth orbit

Last Updated: Monday, July 5, 2010, 14:00

A new US Air Force satellite will provide a full-time surveillance of thousands of pieces of debris circling the Earth.

New US satellite to monitor debris in Earth orbit

Last Updated: Saturday, July 3, 2010, 22:28

A new US Air Force satellite will provide the first full-time, space-based surveillance.