Spurred by rival North Korea's launch in December, South Korea on Wednesday appeared to have successful placed a small science satellite into orbit. ->
As Iceland's Eyjafjallajokull continues to erupt, a NASA satellite images the region and estimates that the volcano is generating enough energy for 60,000 US homes.
The A-train of satellites monitoring Earth's equator is picking up a caboose.
NASA has confirmed that its defunct Upper Atmosphere Research Satellite (UARS) re-entered the atmosphere over the Pacific Ocean early Saturday.
Three and a half years after China intentionally blew up a satellite as part of a weapons test, 97 percent of the debris remains in orbit.
The first comprehensive census of a species taken from space shows that emperor penguin populations are almost double previous estimates.
A pair of science satellites, that will make the first detailed studies of Earth's Van Allen radiation belts, blasted off from Florida on Thursday.
A defunct 6-ton NASA science satellite plummeted into the atmosphere above the Pacific Ocean early Saturday.
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