Unlike regular clocks, atomic clocks are highly accurate, enabling scientists to use them to measure gravity.
A strontium atom is suspended in high vacuum and illuminated between two electrodes with a blue laser.
From an outpost on the moon and build flying cars to funding cut for the international space station and earth science missions, the budget covers a lot of things
The weapon test, from Kazakhstan's Sary-Shagan testing range, was successful despite frigid weather conditions prevailing in the region
Elon Musk's next drone ship will be used on the east coast to handle landings at Cape Canaveral. SpaceX uses drone ships as landing pads for their Falcon 9 rocket cores in the sea.
The clip is part of the second season of National Geographic's documentary series "Mars" scheduled to air in spring.
The craft will switch to software-based stellar navigation to conserve power and extend service life.
The launch, in which a Falcon 9 rocket will carry a 1350 kg Paz satellite and two 400 kg Starlink demo satellites into to a 514km Sun-Synchronous Orbit, is set for 17 February.
The algorithm came up with some bizarre results after learning from genuine candy heart messages.
Marines are the first and so far the only branch in the US armed forces, apart from the Special Operations Command, to provide drones to soldiers on the ground at this level.
The Ivan Gren will be delivered to the Navy by spring this year.
Updates on where the Roadster is headed and wild conspiracies about the launch.
Experts reportedly claim that Beijing's mid-course anti-missile system can shoot down missiles from North Korea and India.
The army is testing the robotic Humvee to find out if the autonomous vehicle can engage targets with its remote-controlled machine gun.
"We all need to lighten up in the kitchen sometimes, don't we?" Chef Gordon Ramsay said in a statement.
Scientists believe that millions of gigawatts of energy that the Earth is sucking up from the Sun can be harvested 24 hours a day to generate electricity.
The $150m contract handed to Lockheed Martin also includes development and delivery of a land-based laser weapon system.
Scientists were able to achieve a phenomenon called "radiation reaction" in the lab, which is believed to occur in the most extreme environments in the universe.
Dream Chaser is an autonomous spaceplane that does not need a crew to operate.
An AI-capable submarine, when ready, would be able to prevent commanding officers from taking incorrect decisions.
Called as the Square Kilometre Array (SKA), the astronomical instrument will look for answers to the universe's most fundamental scientific questions.
SpaceX's Falcon Heavy, deemed the world's most powerful rocket, lifted off at 3:45PM EST from the Kennedy Space Center on Tuesday.
The Sea Hunter is 132ft long and weighs over 140 tonnes. It can traverse the oceans for months on end without a single human on board.
Elon Musk's battery has proved its worth to South Australia which now wants to build a massive solar grid.
The Terminator presents a whole new class of vehicle for the Russian army.
The SM-3 Block IIA ballistic missile interceptor system failed a test launch last week and it is the second one to fail in the last six months.
"The United States would only consider the use of nuclear weapons in extreme circumstances," according to the new NPR.
The ash spewing from the volcano could be the key to cooling down our planet and prevent our ozone layer from being damaged.
While Boeing has not mentioned any name so far, the hypersonic jet might bear the name Valkyrie II, Popular Mechanics reported.
The SLS rocket engine is one of the most powerful rockets ever made and can launch a spacecraft into deep space.