Stephen Clark
Stephen Clark is the Editor of Spaceflight Now, a web-based publication dedicated to covering rocket launches, human spaceflight and exploration. He joined the Spaceflight Now team in 2009 and previously wrote as a senior reporter with the Daily Texan. You can follow Stephen's latest project at SpaceflightNow.com and on Twitter.
Latest articles by Stephen Clark
Russia Launches 3 New Navigation Satellites
By Stephen Clark published
Russia launched three more Glonass navigation satellites into space Monday atop a Proton rocket.
Rocket Trouble Delays Launch of European Ice Mission
By Stephen Clark published
A European satellite built to monitor polar ice will be grounded for up to a week because of an issue with the steering system on its Dnepr launcher.
Chinese Rocket Launches With Top Secret Spy Satellite
By Stephen Clark published
A Chinese remote sensing mission, possibly a military reconnaissance satellite, lifted off from a desert pad atop a Long March rocket Wednesday.
India Launches New Satellite to Study Earth's Oceans
By Stephen Clark published
A new spacecraft dedicated to studying the Earth's oceans was shot into orbit aboard an Indian rocket early Wednesday.
Founder of SpaceX Refutes Report Slamming Safety Standards
By Stephen Clark published
A commercial space pioneer and a former astronaut are answering claims by an independent advisory panel that private companies do not meet NASA human-rating standards.
Proton Rocket Sends DirecTV Satellite to Orbit
By Stephen Clark published
A new high-definition television broadcasting satellite was deployed by a Proton rocket early Tuesday.
Three Russian Navigation Satellites Launch From Kazakhstan
By Stephen Clark published
A Proton rocket has successfully launched three new satellites for Russia's space navigation network.
Russia Delays Angara Rocket Debut as Testing Progresses
By Stephen Clark published
The long-delayed Angara rocket family has finished a series of important tests.
Europe and Japan Ponder Space Station's Long-term Needs
By Stephen Clark published
Space officials in Europe and Japan are considering plans to build and launch additional indigenous cargo ships to the International Space Station if the program is extended beyond 2015.
Zenit Rocket Delivers New Communications Satellite to Orbit
By Stephen Clark published
A new satellite to broadcast video and data services to Russia and the Middle East was successfully released in geosynchronous transfer orbit Monday.
Japan Launches Spy Satellite Under Veil of Secrecy
By Stephen Clark published
In an unpublicized launch lacking fanfare, an H-2A rocket successfully boosted Japan's most advanced spy satellite to orbit on Saturday from the country's island space center.
New Hope for Plucky Japanese Asteroid Mission
By Stephen Clark published
Japanese engineers have devised a plan to combine parts from two partially-failed ion engines to resume the Hayabusa asteroid probe's journey back to Earth.
Troubled Asteroid Mission Stumbles on Road Home
By Stephen Clark published
European Satellite Launched to Study Earth's Water Cycle
By Stephen Clark published
A modified Russian ballistic missile successfully launched a $464 million European science satellite Monday.
Chinese Rocket Launches Satellite to Wrong Orbit
By Stephen Clark published
A Chinese Long March rocket launched an Indonesian communications satellite into the wrong orbit Monday.
South Korea Makes History With Satellite Launch
By Stephen Clark published
South Korea successfully launched a rocket into space Tuesday to orbit a satellite.
Historic South Korean Rocket Launch Aborted
By Stephen Clark published
South Korea aborted the attempted launch if its first orbital rocket just eigth minutes before liftoff on Wednesday.
New Asian Communications Satellite Launches to Space
By Stephen Clark published
A Proton rocket sent an Asian communications satellite on the way to orbit Tuesday.
Small Rocket Launches Russian Satellites
By Stephen Clark published
A Kosmos 3M rocket boosted a secret Russian military satellite and a civilian search and rescue spacecraft into orbit early Tuesday.
New Sirius XM Radio Satellite Launches to Orbit
By Stephen Clark published
A Russian Proton rocket launched the Sirius FM5 XM radio satellite into space on Thursday.
Repaired Malaysian Satellite Launched into Orbit
By Stephen Clark published
A Land Launch Zenit 3SLB rocket launched the Malaysian satellite MEASAT 3A on Sunday.
U.S. Military's Experimental Tactical Satellite Set for Tuesday Liftoff
By Stephen Clark published
A military satellite prototype is being readied for launch from Virginia on Tuesday.
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