Lake Vostok is located four kilometers under the surface of Antarctica.
How many moons does Venus have?
Venus has no natural satellites.
What is Archimedes' Principle?
Archimedes' Principle states that "an object is buoyed up with a force equal to the weight of the liquid it displaces."
How much weight can a blue whale calf gain in a single day?
In the first weeks of life, a blue whale calf can gain 250 pounds in one day.
Who invented logarithims?
Scottish mathematician John Napier invented the mathematical formulas in 1614.
Which other diseases did Jonas Salk, known for developing an effective vaccine for poliomyelitis, also research?
Before his polio vaccine, Salk worked on developing a vaccine for influenza. Later in his life, he worked on a therapeutic AIDS vaccine.
Big Lionfish Found at Disturbing Depths
The relentless scourge of lionfish has crept to unexpected depths: Off the coast of Florida, researchers say they found the venomous invader thriving around a sunken ship at 300 feet (91 meters) below the water's surface.
Kepler Spacecraft Should Pin Down 'Alien Earth' Planets Despite Glitch
NASA's planet-hunting Kepler spacecraft should be able to achieve its primary mission goal regardless of whether or not it can bounce back from a recent malfunction, researchers say.
Student Team Set for Zero-Gravity Fire Experiment on NASA 'Vomit Comet'
A team of university students is counting down toward the ultimate science ride, a weightless flight aboard a modified NASA jet to see just how certain fires burn in zero gravity.
Moon Has Close Encounters with Planets, Star This Month: How to See It
If you only glance at the sky now and then, you may think it's pretty much the same every night. Regular sky watchers know better, and are aware of the constant changes the sky undergoes.
Sun's 2013 Solar Activity Peak Is Weakest in 100 Years
Though the sun is currently in the peak year of its 11-year solar