Follow the space program since the moon landing in the four-part documentary "Once Upon a Time in Space". Here’s how to watch ...

The European Space Agency's upcoming Henon mission will be the first ever CubeSat to independently venture into deep space, ...

In a groundbreaking development, astronomers have recorded a perfect geometric signal from deep space. This remarkable discovery could potentially shed new light on the enigmatic universe and the ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...