Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year ...

For decades, the Kármán Line, set at an altitude of 100 kilometers (or 62 miles) above sea level, has been the widely ...

The soon-to-reenter Soviet Cosmos 482 Venus probe is getting increased attention by satellite trackers – and new imagery ...

The Reading Public Museum marked the centennial of its building and grounds with a two-part event celebrating the museum’s ...

Each cloud represents in visible form (due to water droplets) a rising column of air,” the Earth Observatory says. NASA/Earth Observatory A blast from the past will be hitting Earth next week, as a ...

This deep-dive explores one of the most persistent space legends of all time—the Black Knight Satellite. From Nikola Tesla’s ...

Orion, the capsule that will carry the Artemis 2 astronauts on a mission around the moon and back, has been officially handed ...

By sifting through that vast dataset, the team found 2,889 likely superflares on 2,527 sunlike stars. That works out to ...

After seeing these comments by Schmidt, I reasoned that the former Google executive might have bought Relativity Space as a means to support the development of data centers in space. Such data centers ...

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

A space probe called Kosmos 482 sent to explore Venus by the U.S.S.R. in 1972 but marooned in Earth orbit ever since is about ...

A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth.