Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a ...

LifeTracer is not a universal life detector. Rather, it provides a foundation for interpreting complex organic mixtures. The Bennu findings remind us that life-friendly chemistry may be widespread ...

Many people today deny the reality of original sin. Modern thinkers claim that evolution disproves it. Some object to the idea of inheriting sin from our parents, while others simply deny sin itself.

Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...