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A proposal could make one of the northbound lanes on the Howard Frankland Bridge into an express toll lane. But, some lawmakers are questioning the plan.
Atmospheric oxygen levels have declined over the past 1 million years, although not nearly enough to trigger any major problems for life on Earth, a new study finds.
Good news on the alien-life-hunting front: The towering plumes emanating from Jupiter's ocean-harboring moon Europa appear to be real.