Mysterious Objects at the Edge of the Electromagnetic Spectrum

NASA's Fermi Gamma-Ray Telescope is finding hundreds of new objects at the very edge of the electromagnetic spectrum. Many of them have one thing in common: Astronomers have no idea what they are.

Mars Landing Sky Show

On the same night Curiosity lands on Mars, a "Martian Triangle" will appear in sunset skies of Earth. The first-magnitude apparition on August 5th gives space fans something to do while they wait for news from the Red Planet.

The Super Fluid Core Of A Dead Neutron Star

Strange quantum fluids that love to sneak out of cups have been found trapped inside the core of a dead neutron star.

Earth's Magnetosphere

Enveloping our planet and protecting us from the fury of the Sun is the magnetosphere, a key to helping Earth develop into a habitable planet.