Tom Chao

Astrophotographer Jeff Berkes sent in an image of the Milky Way soaring over the Grand Canyon.

SpaceX launched its Dragon space capsule March 1 toward the International Space Station.

Amateur astronomers have sent in some amazing views of the night sky this month.

Spectacular images every day.

See photos of NASA's celebration of President Obama's second inauguration in January 2013.

See our top 100 images of the year in space exploration and astronomy!

Spectacular images every day.

Spectacular images every day.

See photos from NASA's successful Phoenix Mars Lander mission, which explored the Martian arctic in search of water ice.

Just after the anniversary of Alan Shepard's flight, scientists named a crater in his honor

While 2010 saw many historic successes in spaceflight and space science, plenty of things went wrong this year, too.

"Packing for Mars" by Mary Roach delves into the minutiae of human spaceflight.

"Packing for Mars" by Mary Roach delves into the minutiae of human spaceflight.

The International Space Station Program has won the prestigious 2009 Collier Trophy.

Prometheus, Saturn's moon, appears to float toward the viewer in this 3-D rendering.

NASA has begun streaming video online from cameras inside the International Space Station.

SIM PlanetQuest mission will scan star 40 Eridani for a Vulcan-like planet.

Globular star clusters may not form in a single "boom," as previously thought.

The European Space Agency (ESA) will partner with Russian researchers to lock a crew of six people in metal tubes for a simulated trip to Mars.