Satellite

They were created using data from nearly 1.7 billion stars.

Satellites have collided only four times in the past 30 years, making it difficult to form generalizations about cause.

A new company, EarthNow, expects to deliver satellite imagery and real-time video. Could your house be surveilled?

At the time the picture was taken, the spacecraft, which is expected to reenter the atmosphere on April 1, was about 137 miles above the surface and travelling at speeds of around 17,400 miles per hour.

"Boy, what an advance it would be to be able to see the world in a snapshot."

Starlink will provide unfettered, low-cost internet, he says.

IMAGE was launched the same year as the Nokia 3310 and the Sony Playstation 2.

The space agency is trying to reconnect with its lost spacecraft.

Rocket Lab's Still Testing rocket successfully reached orbit and deployed Earth-tracking satellites.

The telescope itself is just two inches across; the planet is seven times the size of Jupiter.

It's unclear what exactly happened to the classified satellite.

Standard radio signals often fail because they can't penetrate complex materials like water or rock. Quantum radio can.

The system, dated to around the 3rd or 4th century A.D. and lost for centuries, lies in the foothills of the Tian Shan Mountains.

The 4,000-year-old surveillance and communication network is the first of its kind ever discovered.

In space, our immune system gets weaker, but bacteria seem to get stronger.

The satellite just can't catch a break.

While the true cost of Russia's campaign in Syria remains up for debate, its given Moscow newfound influence in the Middle East and crucial warfighting experience.

The artwork will be visible from North America four times a night.

The compilation includes views from the International Space Station, the Solar Dynamics Observatory and other spacecraft.

As advertising potentially goes intergalactic, it's either a new high or a new low.

Eyes in the sky to locate water resources may be many Middle Eastern nations' best hope for alleviating an acute water supply problem.

Russia donated a satellite station to Nicaragua as the two nations have increasingly sought closer military ties.

Named 'Analemma,' the building would move around the world, slowing down over New York.

North Korea has already conducted five nuclear tests and a series of missile launches.

Brazil prepared to launch its first satellite into space to provide better internet access across the country—and shield it from the NSA.

India launched more than double the amount previously launched at once by Russia.

Saturday's launch was Elon Musk's company's first since a September 1 explosion that grounded the company.

OneWeb raises $1.2bn to build and launch a constellation of internet-beaming satellites.

The country's oil supply is far greater than previously reported.

This shoebox-sized spacecraft could transform the way we store and use energy.