The jet powered bicycle by british mad scientist and inventor Colin Furze.

Astronomers know that gravity from Saturn's various moons tug at the planet's rings and make spirals in them. But the catalyst for certain spiral patterns has been difficult to pin down. Now, two Cornell astronomers have determined the source: Saturn itself.

At a time when life as we know it was just getting its start on Earth, Martian clay may have harbored a key component for one of life's molecular building blocks, researchers say. Boron found in a Martian meteorite suggests the Red Planet may once have had the right chemistry to give rise to RNA, according to a new study.