A rare close flyby of a comet near Mars put NASA's orbiters in a potentially dangerous situation, but also allowed them to study the moving space object.
A large comet swooped in close to Mars over the weekend. NASA's orbiters had to hide from the debris, but still captured some great shots.
Technology from startup Yardarm can tell 911 emergency responders if a police officer's gun has been fired. But Yardarm doesn't call it a "smart gun" -- that would court controversy.
The new roller suction head uses microfibre and carbon strips to suck up anything from fine dust to large pieces of kibble.
The closest look ever at a new comet will happen when the mountain-size comet Siding Spring buzzes past Mars this weekend.
Everything you need to know about buying a dishwasher, all in one place.
Daredevil asteroid 2014 RC slid by close to Earth Sunday, but it may have left a parting gift in the form of a meteorite crater in Nicaragua.
Eighteen teams are in a race to get to the moon, with a $30 million payoff. Astrobotic is one of those teams, and it recently completed an important test at the Mojave Air and Space Port.
These showers are so stunning that Google even dedicated an animated Doodle to the celestial show.
It's a great week for celestial gazing with both a supermoon and the year's best meteor shower lighting things up, but the best view is also from out of this world.