On Nov. 18, NASA launched its newest mission to the red planet, the Mars Atmosphere and Volatile Evolution (MAVEN) orbiter. Shown here, an Atlas V rocket booster launches MAVEN from Cape Canaveral Air Force Station, much to the surprise of local wildlife.
After the MAVEN launch, NASA's Jet Propulsion Laboratory in Pasadena, Calif., reported via Twitter: "We hear you loud and clear, @MAVEN2Mars!" with a photo of a screen in the JPL control room depicting radio communications with the spacecraft.
All eyes are on Comet ISON that continues to drop toward the sun and yet remains in one piece. Due to make closest approach (perihelion) on Nov. 28, will ISON become "Comet of the Century" in December? We'll have to wait and see.
What does the space station look like at 'night'? New NASA astronaut arrival Mike Hopkins tweeted this rarely seen view of the International Space Station when the occupants are sleeping. "Dots near hatch point to Soyuz if we have an emergency," he said.
This week, astronauts got to file up the the JEM Small Satellite Orbital Deployer that is attached to the space station's Japanese module, Kibo. Seen here, the "Cubesat Cannon" deploys a small 30x10x10 centimeter nanosat.
After deployment by the space station's "Cubesat Cannon," three individual nanosats begin their missions against the backdrop of Earth.
In this recently-released photograph from August, Russian cosmonaut Sergey Ryazanskiy, Expedition 37 flight engineer, waves at the camera during a spacewalk.
This image shows the highest energy neutrino ever observed (1.14 petaelectronvolts), which scientists named 'Ernie,' as seen by the IceCube Neutrino Observatory at the South Pole on Jan. 3, 2012. Image released Nov. 21, 2013.
On April 27, a powerful flash of radiation erupted from deep space. The flash, a gamma-ray burst (GRB), was the brightest on record, challenging some of the leading theories on how the most powerful explosions in the known Universe occur.