China's Shijian-21 and Shijian-25 satellites had been moving toward each other in geosynchronous orbit, around 22,236 miles ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

Researchers from the U.K. plan to launch a CubeSat covered with a newly formulated "hull-darkening" Vantablack paint into ...

From the moment of the first space launch up until now, mankind has been sending various devices and people into space using ...

Today, as we face growing tensions in space and cyberspace, we’re missing these basic safeguards. History offers us solutions, if we’re willing to learn. COMING SOON: A new email series explaining the ...

Astronomers have revealed a nearby spiral galaxy in all its brilliant glory, shining in thousands of colors. The dazzling ...

The Vera Rubin telescope, which is set to open its eyes to the sky later this month, has a 26-foot-wide (8.4 meters) mirror, ...

Honda developed the experimental reusable rocket on its own. The spacecraft is 20.6 feet (6.3 meters) in length, 85 ...

The Proba-3 mission, consisting of two spacecraft that fly in close formation to study the sun, has returned images of the first ever artificial solar eclipse ...

A recent satellite photo captured a giant comma-shaped cloud of "Saharan dust" being blown above the Atlantic Ocean. The hazy ...

A pair of European satellites have created the first artificial solar eclipses through precise and fancy formation flying.

Another six space tourists are preparing for Blue Origin's next human spaceflight, which will send the crew on a trip high ...