Scientists have performed a necropsy on a 50,000-year-old baby mammoth discovered in Siberia. The female mammoth, nicknamed ...

Scientists know from extensive study here on Earth that life doesn't sprout from nothing—it requires a complex (and often ...

Researchers Baffled To Find World's Oldest Impact Crater, Redefines How Our Planet Was Shaped Land features reflect the ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...