Archaeologists have announced the discovery of a 50,000-year-old sewing needle, made from bone, that was excavated from a cave in Siberia’s Altai Mountains. This well-preserved sewing implement sports a hole for guiding the thread, and is still appears to be sharp enough to be used today. This artifact, however, has an unusual distinction, in that it is suspected that it was not crafted by a human hand.
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The search for extraterrestrial life has been an ongoing quest for decades, but finding alien life relies on our ability to recognize it.

Is there any guarantee that other life forms would manifest in a form that we would immediately be able to identify? Are we wrong to assume that all life must be derived from the same chemical elements, or require the same environmental factors?
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The romantic notion of "stardust" has inspired authors, poets and song-writers for decades, leading to a dictionary definition that describes it as "a magical or charismatic quality or feeling."

Despite its enchanting reputation, this seemingly mystical substance is not merely confined to the imagination but is a genuine scientific term for the tiny cosmic dust grains floating through our solar system.
When Moby claimed in his 2002 song that "We Are All Made Of Stars," however, he may not have been too far from the truth, as scientific evaluations of this space dust over the past few years have yielded the surprising evidence that every atom in our bodies was once part of a star, maybe even several stars.
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Scientists now confirm that there is a high probability that the universe harbours an abundance of habitable planets.

NASA’s Kepler telescope has provided information to indicate that one in every five sun-like stars is orbited by planets comparable to Earth. In broad terms, this means that there could be billions of planets capable of supporting life in our Milky Way galaxy alone. The findings were published recently in the Proceedings of the National Academy of Sciences and aired at a special news conference in California.
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