Karl Tate

Researchers found that habitable alien planets could exist closer to their stars than was previously realized. See how habitable zones work in this SPACE.com infographic.

The private Mars One colony project

China's Chang'e-3 moon lander carries a six-wheeled rover vehicle on its back. See how Chang'e 3 and the Yutu ('Jade Rabbit') rover work in this SPACE.com infographic.

Comet ISON could become a spectacular night sky object in November 2013. Find out why here.

Maven will orbit Mars, looking for clues about what happened to the planet's once-thick atmosphere.

Astronomer Edwin Hubble devised a method for identifying kinds of galaxies.

After a 300-day cruise through space, India's Mars probe will circle the planet.

Sunlike stars eventually become a compact body called a white dwarf, destroying its planets in the process.

An engineer suggests building a roof over a small planet so that Earthlike conditions could be maintained.

High-speed debris from satellite explosions could cause a catastrophic chain reaction, as seen in the movie "Gravity."

Orbital Sciences has contracted with NASA to make supply runs to the International Space Station.

The sun's magnetic field drives changes on its surface and beyond.

A large enough sail would provide thrust from the pressure of sunlight and, perhaps, laser light beamed from afar, allowing a probe to cover vast distances with no need for fuel.

The Lunar Atmosphere and Dust Environment Explorer will uncover details of the moon's thin atmosphere.

For awhile in the 1970s, NASA scientists studied the possibilities of building giant communities in space.

With the highest density of any observed space object, neutron stars can beam radiation across the galaxy.

A giant blue planet is found, but the color could be due to glass particles in the hellish planet's hot atmosphere.