Vanuatu tsunami fears following a powerful earthquake panicked residents on Tuesday. The Pacific Tsunami Warning Center reported a 9-inch wave.
NASA's Swift satellite views Comet Lulin as it made its closest approach to Earth in February 2009. Lulin, like all comets, is a clump of frozen gases mixed with dust. These 'dirty snowballs' cast off gas and dust whenever they venture near the sun. Comet Lulin, which is formally known as C/2007 N3, was discovered in 2008 by astronomers at Taiwan's Lulin Observatory. Lulin passed closest to Earth -- 38 million miles, or about 160 times farther than the moon -- late on the evening of Feb. 23, 2009, for North America.
The European Space Agency's Envisat is set to retire, after which it will become the most dangerous piece of space junk in orbit.
Amelia Earhart's visit to the historic Waikiki hotel will be seen in rare photographs from the 1930's.
Total solar eclipse provided the most dazzling views on Easter Island, where astronomers and thousands of tourists watched.
Solar eclipse: The track of Sunday's solar eclipse will be almost entirely over the sea, with the exception of Easter Island. That means that only those with the money to travel to the exotic island will be able to see it.
Solar eclipse on Sunday will be visible only on Easter Island in the South Pacific.
Lunar eclipse fans living in central and western North America are in for a special treat. The 'moon illusion' will make Saturday morning's partial lunar eclipse appear much larger than normal.
Josef Stalin monument, displayed in his hometown of Gori, was dismantled before dawn on Friday.