Virgin Galactic's first SpaceShipTwo spacecraft broke apart in mid-flight on Oct. 31, 2014, killing one pilot and injuring another. See the sequence of events as determined by the NTSB.
NASA's plan is to bring a distant asteroid nearer to Earth, but a competing idea would send humans to one or more asteroids in their native orbits.
Astronomers have detected the signatures of hundreds of comets disintegrating in a distant, chaotic solar system 63 light-years away.
In a rare celestial event, a comet will pass closer to Mars than the moon is from Earth on Oct. 19, 2014. See how the Comet Siding Spring flyby of Mars works in this Space.com infographic.
SpaceX's fourth cargo mission to the International Space Station includes some mice, the first 3D printer in space and other weird science. See our take on the cargo in this Space.com infographic.
SpaceX's Dragon Version 2 capsule is designed to carry seven astronauts to the International Space Station. See how it works in this Space.com infographic.
NASA's Mars 2020 mission will send a car-size rover to the Red Planet to collect samples. See how the Mars 2020 rover will work in this Space.com infographic.
The European Space Agency's ATV cargo vehicle delivers 8.3 tons of solid and liquid cargo to the International Space Station. See how the unmanned spacecraft work in this Space.com infographic.
For centuries before Apollo 11 landed on the moon, the idea of going there stirred people's imaginations. See the 350-year history of moon exploration in this Space.com infographic.
SpaceX's three-core Falcon Heavy rocket is a mega-booster that would be the largest, most powerful launch vehicle since NASA's Saturn V moon rocket. Here's how SpaceX's Falcon Heavy rocket works.
NASA's next-generation Z-2 spacesuit prototype is an evolution ahead of its predecessor, the Z-1. See how NASA's futuristic Z-2 spacesuit works in this Space.com infographic.
Spacecraft use multiple methods to slow down enough for a safe landing on Mars. See how Mars landings work in this Space.com infographic.