3I/ATLAS is called a comet. Except that, upon closer look, it doesn't look like a comet. Dubbed as an "unusually fast" ...

Two newly discovered comets are streaking across the sky in a spectacular display as they make their closest approaches to ...

A spacecraft that sails on light could provide new vantage point on solar eruptions that can disrupt modern electrical and navigation systems An ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of ...

With current rocket propulsion technology, it would take tens or hundreds of millennia to reach our neighboring star system, Alpha Centauri,” it read. “The stars, it seems, have set strict bounds on ...

And we don't make you work six and a half days a week, 12 hours a day." Kemp also accused Firefly Aerospace of sending Astra ...

A SpaceX Falcon 9 has successfully deployed three space weather observatories headed to the L1 point of the Sun-Earth system. NASA's IMAP was the primary passenger, with another NASA spacecraft ...

A large cloud of tiny fragments revolves around Earth following satellite explosions, rocket stage malfunctions, and anti-satellite missile testing. These fragments—some as small as grains of ...

The 3I/ATLAS interstellar object, detected by NASA, is remarkably larger and more massive than earlier estimates, making it ...

Now, thanks to NASA’s James Webb Space Telescope, scientists have made the first direct measurements of one such disk around ...

Modernizing Space Defense Doctrine with the SDA Government The SDA Government isn’t just dusting off old manuals ...