The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

Long-dead satellite emits strong radio signal, puzzling astronomers NASA launched communications satellite Relay 2 in 1964. Three years later, Relay 2's mission was over.

Hurricane forecasters and scientists rely on weather data collected and processed by Department of Defense satellites. The Navy has decided to stop sharing the data.

Here’s what you’ll learn when you read this story: Although the Earth completes one full rotation in 86,400 seconds on average, that spin fluctuates by a millisecond or two every day. Before ...

NASA satellite emits 'spark' decades after going dormant: Astronomers think they know why Source of the radio waves was tracked to a location that matches that of NASA’s defunct Relay 2 ...

T-Mobile is now the first U.S. wireless provider with both a mobile and satellite network — here's how you can get it on your phone, and how it works.

WASHINGTON — Muon Space has released the first thermal infrared images from its FireSat Protoflight satellite, marking a milestone for the company's dedicated wildfire detection constellation ...

Pallante clawed through five innings of two-run ball in the Cardinals' 3-0 loss in Thursday's series finale against the Chicago Cubs.

New satellite images captured the damage inflicted by the U.S. military on Iran's Isfahan and Natanz nuclear facilities, which were targeted in weekend bombings.

For all of the destruction the US Air Force visited on Iran’s nuclear program, satellite images show that military planners were careful not to hit reactors at a key research facility.

Satellite images show extent of US bombing damage to Iran nuclear sites Experts weigh in on damage to Fordo, Isfahan and Natanz.

Today, at the Living Planet Symposium, ESA revealed the first stunning images from its Biomass satellite mission—marking a major leap forward in our ability to understand how Earth's forests are ...