Dutch astronomer Willem de Sitter, born May 6, 1872, studied mathematics and physics at the University of Groningen, developing an interest in astronomy there and furthering it with work at Cape ...

Satellite collisions in orbit could trigger a catastrophic global chain reaction, potentially halting space exploration, ...

An Isro-led study found that stronger solar activity makes low Earth orbit debris lose altitude faster. The finding could ...

The mechanism that can cause a rapidly expanding plasma—the superhot state of matter harnessed in fusion energy systems—to ...

The findings could more than double our current database of worlds that loop around binary star systems. But researchers need ...

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...

Scientists have created tiny “optical tornadoes” — swirling beams of light that twist like miniature whirlwinds — using a ...

There are tens of thousands of near-Earth objects (NEOs) that represent some of the most easily accessible resources in the ...