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A self-portrait taken by the NASA rover Curiosity in Gale Crater on Mars. (AP Photo/NASA)

Research suggests ancient Martian lake may have supported life

LOS ANGELES (AP) — NASA’s Curiosity rover has uncovered signs of an ancient freshwater lake on Mars that may have teemed with tiny organisms for tens of millions of years, far longer than scientists had […]

12/09/2013

An embryologist works on embryo at the Create Health fertility clinic in south London. (AP Photo/Sang Tan)

Test-tube babies: A simpler, cheaper technique?

LONDON (AP) — Since the first test-tube baby was born more than three decades ago, in vitro fertilization has evolved into a highly sophisticated lab procedure. Now, scientists are going back to basics and testing […]

08/22/2013