An ancient lake may have once held life.
This is the last photo of Paul Walker, taken just minutes before he died
Why did beached whales, all female or calves, suddenly die within feet of each other
It remains a mystery.
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Viagra, administered vaginally, may help treat period pain
Penn State researchers worked with researchers at Nova Gradiska General Hospital in Croatia.
Major Mars discovery: Ancient fresh water lake on Red Planet could have sustained life
New research reveals that the lake was tranquil and likely contained fresh water with key biological ingredients like carbon, hydrogen, oxygen, nitrogen and sulphur.