Before going through the whole top 10 list of most important modern discoveries, make a guess of which is #1.

NASA today began the countdown for the test launch of the world’s largest rocket designed to replace the aging space shuttle and one day take astronauts back to the moon and beyond.

Thirty-two new planets have just been discovered, some five times the mass of Earth and others far bigger than Jupiter. But don’t bother going outside, it’s not like you’re going to see them or anything. These alien orbs are outside of our solar system.

Biologists have discovered seven new glow-in-the-dark mushroom species, bringing the total number of bioluminescent fungi to 71.

The Field Museum in Chicago will exhibit a 40,000-year-old well-preserved infant woolly mammoth discovered in Siberian soil recently. Her body was perfectly preserved that her tummy retained traces of her mother’s milk.

Astronomers announced on Wednesday that they have found the first confirmed Earth-like planet outside our solar system, a discovery that raises hopes of finding extraterrestrial life.

Space shuttle Discovery lifted off just before midnight Friday from the Kennedy Space Center on Florida’s Atlantic coast, carrying nearly 8,000 kilograms of equipment for the International Space Station.

Space shuttle Endeavour is ready to launch today, Sunday, July 12. The Endevour launch was delayed after an electrical storm hit near it’s perch atop launch pad at Kennedy Space Center on Friday

US researchers have discovered a way to extract hydrogen from human urine that can then be used as fuel for hydrogen cars.

Most hardcore geeks swear by it; most others think that the world will end by it.

NASA launched its first moon shot in a decade Thursday, sending up two lunar spacecrafts atop an Atlas V rocket. The LRO (Lunar Reconnaissance Orbiter) and a crater observation spacecraft are unmanned scouts designed to lay the first groundwork for the space agency’s proposed 2020 return of astronauts to the moon.