Earth’s orbit is getting crowded. About 16,000 satellites currently circle our planet, supporting everything from GPS navigation and weather forecasting to banking, emergency services and internet communications. Dozens more are launched every few weeks. Some estimates suggest the total number of satellites could exceed 100,000 within this decade, with more conservative estimates landing on up to 60,000 satellites byContinue reading "There are already 16,000 satellites in Earth’s orbit. How will we manage the next 100,000?"

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On July 23, 1999, the Chandra X-Ray Observatory launched aboard the Space Shuttle Columbia; it would see first light a few weeks later, on Aug. 26. With resolution eight times greater than any previous scope, Chandra is the most powerful X-ray telescope ever built. The observatory is intended to help scientists understand the universe’s evolutionContinue reading "July 23, 1999: Chandra X-Ray Observatory launches"

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Nearly 400 days and a billion kilometers after leaving Earth, China’s Tianwen-2 spacecraft has arrived at its target: the near-Earth asteroid 469219 Kamoʻoalewa, also known as 2016 HO3. And the mission’s first photo of the rock has already had scientific impact, reopening an ongoing investigation over whether Kamoʻoalewa began as a chunk of the Moon.Continue reading "Tianwen-2 arrives at target asteroid Kamoʻoalewa"

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Let the science begin: The world’s first commercial space telescope is up and running. On July 6, Blue Skies Space delivered data from its Mauve satellite to the international roster of universities enrolled in the Mauve Science Program, shifting the mission into full scientific operations. It’s the next step for a mission that reached orbitContinue reading "The first commercial space telescope delivers"

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New Horizons launched in January 2006, and by July 14, 2015, it had reached its primary goal: Pluto. The first spacecraft to study Pluto up close, it conducted measurements of Pluto’s atmosphere, mapped the surface geology, observed Pluto’s moons. New Horizons also investigated the dwarf planet’s interior structure, adding support to the theory that PlutoContinue reading "July 14, 2015: New Horizon arrives at Pluto"

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NASA’s Mars Odyssey spacecraft completed its 60,000th orbit of the Red Planet on June 23, 2015. When Odyssey launched in April 2001 with a goal of better understanding Mars’ environment, the Red Planet was generally thought to be dry, barren world; the mission transformed our understanding, discovering widespread subsurface water ice. Its continuous observations haveContinue reading "June 23, 2015: 60,000 orbits for Mars Odyssey"

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Rocket launches this week Tonight, Monday, June 22, according to tracking from Next Spaceflight, The China Aerospace Science and Technology Corporation (CASC) plans to launch a Long March 7A rocket from the Wenchang Space Launch Site located in the South China Sea on the island of Hainan at 10:10 p.m. EDT. The payload has notContinue reading "SpaceX tests new vehicle, Swift gets a lift"

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Pioneer 10 holds the titles for many “firsts”: It was NASA’s first mission to the outer planets, the first spacecraft to fly beyond Mars, the first to traverse the asteroid belt, and the first to fly past Jupiter. It was also the first spacecraft placed on a trajectory to escape the solar system into interstellarContinue reading "June 13, 1983: Pioneer 10 leaves solar system"

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Rocket launches this week According to tracking from Next SpaceFlight, Chinese aerospace firm Landspace’s ZhuQue-2E Block 2 is scheduled to lift off from the Jiuquan Satellite Launch Center in China at 4:20 a.m. EST on Tuesday, June 9. The ZhuQue-2E is a medium-lift rocket powered by liquid oxygen and methane — the first methane-fueled vehicleContinue reading "SpaceX and Rocket Lab set for liftoff this week"

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NASA announced new contracts for the rovers and landers that will lay the groundwork for the agency’s proposed $30-billion Moon Base — some of which they plan to launch as soon as this fall — during a May 26 press conference. The announcement offered the most detailed look yet into the Moon Base plan NASAContinue reading "How NASA plans to build a Moon Base"

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What’s launching this week Early this morning, Monday, June 1, the state owned China Aerospace Science and Technology Corporation (CASC) successfully completed the maiden flight of the reusable Long March 12B — a two-stage, 236-foot (72-meter) rocket powered by nine liquid oxygen and kerosene engines with a 44,000-pound (20,000 kilogram) payload capacity. The mission launchedContinue reading "SpaceX, China set for busy launch week"

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In the 1960s, two organizations were formed for cooperation around a European presence in space: the European Space Research Organization, which focused on scientific research, and the European Launcher Development Organization, which concentrated on engineering launch systems. By the end of the decade, however, dissatisfaction was growing with this split structure, and in 1968, theContinue reading "May 31, 1975: ESA begins operations"

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After completing what it said was a “thorough assessment,” the FAA on Wednesday ordered SpaceX to investigate anomalies that its Super Heavy booster experienced during the 12th test flight of its behemoth Starship rocket. The aviation regulator on Tuesday was ambiguous about whether an investigation would be required into Starship Flight 12, which launched Friday evening fromContinue reading "FAA grounds SpaceX Starship after V3 debut"

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Ahead of what observers anticipate will be the largest initial public offering (IPO) in history, SpaceX debuted its largest rocket yet on a mostly successful mission. Though Starship and the Super Heavy booster — which combined stand more than 400 feet (122 meters) tall, nearly the length of a Boeing 777 — suffered multiple engineContinue reading "What Starship Flight 12 means for SpaceX’s IPO"

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