Your Thanksgiving table was probably full of foods whose genes have been altered through breeding and biotechnology.
The better question might be, what's the tallest skyscraper money would allow architects to build?
A recent demo from Nokia charged a cellphone with a simulated lightning bolt, but will we ever really get 1.21 gigawatts out of the sky?
Scientists will find out when they send a new probe into the Sun’s atmosphere, just four million miles from its surface.
You could save orange trees, examine HIV proteins, and unravel the nature of the Universe, for a start.
And do cool spurts like last week’s "Julytober" mean it’s not getting warm?
The first aliens could be little red plants, not little green men.
It won’t be life, and it most likely won’t be fossil bacteria, but the rovers can still learn some surprising facts about Mars.
The Midwest saw several gigantic tornadoes this spring, including the widest twister on record. But is there a limit to how big they can get here on Earth?
North Korea probably doesn't have the technology to launch a targeted intercontinental ballistic missile. We explain why.