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

A new study led by researchers at the Earth-Life Science Institute (ELSI) at the Institute of Science, Tokyo, has uncovered a surprising role for calcium in shaping life's earliest molecular ...

Scientists have discovered evidence that Earth's oceans were once green, hinting that this could be a marker of early life, ...

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