satellites

Commercial and government satellites could be targets of the Russian military as it seeks advantage in Ukraine, the head of the U.S. National Reconnaissance Office said.

SpaceX has some nice before-and-after photos to mark the 10th launch of one of its Falcon 9 rockets, thanks to a satisfied customer.

From the number of bubbles in a typical glass of beer to the weight of all the coronavirus particles circulating in the world, here are 10 weird things scientists calculated in 2021.

Satellite parts that melt away during reentry reduce the risk of space debris impacts on Earth, a new video demonstrates.

Space junk moves at 10 times the speed of a bullet from an average gun.

Scientists recently calculated the power of so-called superbolts — brighter-than-average lightning strikes.

The U.S. government is putting something big and secret in orbit tonight (Sept 30). Here's the little we can glean from public information.

The U.S. government says Russia tested an anti-satellite space weapon July 15. Russia says it was an inspector satellite. Nothing was destroyed.

In low Earth orbit's growing "space junkyard," new technologies could reduce the risk of collisions.