Sputnik 1, Earth's First Artificial Satellite in Photos. News. ... The 183-pound (83-kilogram) spacecraft whipped around the Earth every 98 minutes, transmitting a series of beeps.

A satellite is an object in space that orbits or circles around a bigger object. There are two kinds of satellites: natural (such as the moon orbiting the Earth) or artificial (such as the ...

That’s a lot of satellites. Right now, about 5,000 are in orbit around Earth—in total.Only about 2,000 are still functioning. Nearly half belong to the United States, with China and Russia ...

The International Space Station (ISS) is a cutting-edge, habitable satellite orbiting Earth, serving as a global research lab ...

Satellites launched from all over the world travel back and forth in Earth's orbit, and according to data from the satellite tracker service CelesTrak , there are 10,345 active satellites as ...

The Earth is far from alone on its journey around the Sun. Our most visible companion is the Moon, but there are also the thousands of artificial satellites orbiting our home planet, ...

With thousands of artificial satellites orbiting Earth, every now and then, the orbit of one satellite can cross the path of another. And there is a possibility of a collision occurring Wednesday.

NASA approved the $19.5 million Landolt Space Mission to send an artificial star into Earth's orbit. It will be the first astronomical tool of its kind that could revolutionize the way we study space.

While some satellites whiz around the world in 90 minutes, others don’t seem to move at all. Weather and TV satellites seem to hover above the equator. These satellites are in geostationary orbits .

A pair of satellites astronomers hope can create an artificial eclipse were launched from a site in India last week. Beginning in 2025, each satellite will cause a periodic eclipse that lasts for ...

An image of post-eruptive loops in the wake of a solar flare, taken by the TRACE satellite in the year 2000. A sunspot is moving into the right position to send a proton storm toward ...