Long-lost 1960s aerial photos let Copenhagen researchers watch Antarctica’s Wordie Ice Shelf crumble in slow motion. By ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

On 28 November 1966, an American airplane flies over the Antarctic Peninsula just south of the southernmost tip of Chile. On ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

July is an excellent month for astrophotographers. The clear summer skies and warm nights help, but what will excite night sky-watchers are its three meteor showers, striking lunar conjunctions and ...