With the projected growth in the number of commercial satellite constellations on low Earth orbit expected to increase risk of collisions, a startup has attracted investment from Airbus and others to build a network of radars to track orbital debris.

Mars could get pretty congested with spacecraft in early 2021 thanks to an emerging global lineup of missions eager to take advantage of a mid-2020 launch opportunity.

The discovery of seven Earth-like planets orbiting a relatively close star may accelerate the search for biosignatures beyond the Solar System as new telescopes come online.

The launch marks a shift for the historic Launch Complex 39A at Cape Canaveral from government to commercial launches.

ESA has tentatively set a date for launching its first attempt at a spacecraft that can help gather space debris.

As part of its plan to field a Quiet Supersonic Transport low-boom flight demo, NASA has issued a call for interested companies to submit a “capability statement.”

Researchers are offering a preview of how Scott Kelly fared medically after his U.S. record-setting 340 days in space as a NASA crewmember aboard the International Space Station in 2015-16.

The third of six U.S. Air Force missile warning satellites intended for geosynchronous Earth orbit (GEO) has successfully lifted off from Cape Canaveral, Florida, aboard United Launch Alliance’s (ULA) RD-180-powered Atlas V rocket.