Two Earth-Sized Exoplanets May Exist in Closest Star System, Hubble Observations Reveal

Artist’s conception of the Alpha Centauri binary star system and the exoplanet Alpha Centauri Bb. Our own Sun is also shown in the distance. Image Credit: ESO/L. Calçada/N. Risinger

The closest star system to our own Sun may have two Earth-sized exoplanets orbiting it, a new study has shown based on observations by the […]

Fourth ULA Launch in Three Months Boosts Latest GPS Block IIF to Medium Earth Orbit

Rising into a gloomy ball of low-lying fog, the first Delta-IV of 2015 took flight at 2:36 p.m. EDT Wednesday, 25 March, delivering the ninth Global Positioning System (GPS) Block IIF satellite into orbit. Photo Credit: Mike Killian / AmericaSpace

United Launch Alliance (ULA)—the Centennial, Colo.-based launch services operator of Atlas V, Delta IV […]

First Delta IV of 2015 to Deliver GPS IIF-9 Satellite to Orbit on Wednesday

A Delta IV Medium+ (4,2) booster launches the GPS IIF-6 mission in May 2014. A similar vehicle will deliver GPS IIF-9, later this week. Photo Credit: Alan Walters/AmericaSpace

After three successful flights in as many months—the Mobile User Objective System (MUOS)-3 and Soil Moisture Active Passive (SMAP) satellites, both in January, and most recently […]

Harris’ Fixed Mesh Reflector Bound to Revolutionize Satellite Industry

Fixed Mesh Reflector offers technological and mass advantages over other reflector technologies. 
Photo credit: @HarrisCorp on Twitter/Harris Corporation

Fixed Mesh Reflector offers technological and mass advantages over other reflector technologies. Photo credit: @HarrisCorp on Twitter/Harris Corporation

Florida’s Brevard County is a popular location for many companies that serve the aerospace and defense industry. New technologies are constantly being developed and launched into space, such as last month’s MUOS-3 satellite that launched out […]

Dazzling Delta II Delivers SMAP to Orbit in Stunning Pre-Dawn Ascent

With the flare of its RS-27A first-stage engine and trio of Solid Rocket Motors (SRMs), the Delta II takes flight at 6:22 a.m. PST Saturday, 31 January. Photo Credit: Mike Killian/AmericaSpace

Continuing a proud heritage of near-perfect mission success, which stretches back across more than a quarter-century, the 153rd Delta II booster broke the […]

NASA's SMAP Environmental Watcher Ready for Thursday Launch Atop Delta II

The Soil Moisture Active Passive (SMAP) spacecraft undergoes checkout in Astrotech’s payload processing facility at Vandenberg Air Force Base, Calif. Photo Credit: ULA

For the 153rd time in its quarter-century of operational service, the thunderous roar of a Delta II booster will rattle Vandenberg Air Force Base, Calif., on Thursday, 29 January, carrying NASA’s […]

Instrument Suite for NOAA's GOES-R Satellite Installed, On Track for Spring 2016 Launch

The GOES-R Advanced Baseline Imager (ABI) is installed onto the GOES-R spacecraft at Lockheed Martin in Littleton, Colo., on Oct. 13, 2014. Photo Credit: Lockheed Martin

The next in a fleet of United States’ geostationary weather satellites, tasked with providing continuous imagery and atmospheric measurements of Earth’s Western Hemisphere, is now one big step closer […]

SpaceX and ORBCOMM NO GO for Sunday OG2 Launch Pending Further Analysis of Payload Health

An OG2 satellite preparing for testing ahead of launch. Photo Credit: Sierra Nevada Corp.

The next SpaceX Falcon 9 launch, one which will (hopefully) deliver the first six of 17 next-generation commercial telecommunications satellites (identified as OG2) to an elliptical low-Earth orbit for customer ORBCOMM, has been delayed again to give ORBCOMM more time to ensure that […]

Workhorse Delta IV Returns to Flight With Rousing Nighttime Launch of GPS IIF-5 Satellite

The 25th Delta IV mission lights up the Florida sky with the GPS IIF-5 satellite. Photo Credit: John Studwell

Four months later than planned, United Launch Alliance (ULA) successfully returned its workhorse Delta IV vehicle to operational service yesterday (Thursday, 20 February), with the rousing 8:59 p.m. EST liftoff of a key mission to […]

Türksat 4A Reaches Geostationary Orbit After Flawless Proton-M Launch

Last night’s Proton-M launch with Türksat 4A was the 85th mission conducted by ILS and its first major passenger for Turkey. Photo Credit: ILS, with thanks to Mike Barrett

International Launch Services (ILS)—the joint U.S.-Russian company, headquartered in Reston, Va., which operates all commercial Proton-M rockets out of Baikonur Cosmodrome, Kazakhstan—has successfully delivered its […]