Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

Abstract: Precise attitude determination is essential for orbit determination and time-variable gravity field recovery from low-low Satellite-to-Satellite Tracking (ll-SST) missions, e.g., GRACE and ...

CoMaps is community-driven, open-source, transparent, and the developers aren't concerned with making a profit. The app is fairly new (just hitting Google Play Store and the Apple App Store around ...

DUBAI, United Arab Emirates -- Satellite internet provider Starlink now offering free service inside Iran, activists say.

Under a near-total communications blackout, users of Elon Musk’s satellite service have gotten online without paying, ...

Abstract: Internal waves, which can wreak havoc on underwater activities, are difficult to detect because their signatures on the sea surface are easily obscured by wind waves. In this work, a ...

It’s called Big Red, a 33-inch Red Drum swimming along the East Coast with a satellite tag affixed to its body. Ironically, Big Red’s nearly 3-foot length categorizes it in the smaller/younger adult ...

New Storm-Tracking Satellite Shows How Lightning Travels Across Entire Continents ACLU wins Supreme Court ruling in blow to Trump Paris court convicts 10 for claiming French first lady was born a man ...

The $843 million Space Development Agency contract calls for 18 satellites, which will be deployed in the military agency's Tranche 3 constellation.