May 1, 2026
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Breaking News
  • [ April 29, 2026 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
  • [ April 29, 2026 ] SpaceX launches 6-ton ViaSat-3 F3 satellite on Falcon Heavy rocket Falcon Heavy
  • [ April 28, 2026 ] Launch preview: SpaceX seeks second attempt at Falcon Heavy launch following weather scrub on Monday Falcon Heavy
  • [ April 27, 2026 ] ULA launches 29 Amazon Leo satellites on Atlas 5 rocket from Cape Canaveral Atlas 5
  • [ April 27, 2026 ] SpaceX scrubs Falcon Heavy launch of final ViaSat-3 satellite due to poor weather Falcon Heavy

Harvard-Smithsonian Center for Astrophysics

Falcon 9

SpaceX launches Intelsat satellite with NASA air quality sensor

April 6, 2023 Stephen Clark

A SpaceX Falcon 9 rocket lifted off from Cape Canaveral shortly after midnight Friday with Intelsat 40e, a communications satellite destined to beam broadband internet signals to airplane and cruise ship passengers across North America while hosting a NASA instrument package to monitor air pollution.

Falcon 9

NASA air quality sensor ready for launch with Intelsat satellite

April 5, 2023 Stephen Clark

A $210 million NASA mission to improve air pollution monitoring over North America is set to launch Thursday with an Intelsat communications satellite blasting off on a SpaceX Falcon 9 rocket from Cape Canaveral.

News

Astronomers capture first image of black hole’s event horizon

April 10, 2019 William Harwood

A century after Einstein’s equations predicted the existence of black holes, a virtual telescope the size of planet Earth has captured the first direct image of a black hole, or rather the mysterious region defined by the hole’s event horizon, the point beyond which nothing, not even light, can escape, astronomers announced Wednesday.

News Headlines

  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    April 29, 2026
  • SpaceX launches 6-ton ViaSat-3 F3 satellite on Falcon Heavy rocket
    April 29, 2026
  • Launch preview: SpaceX seeks second attempt at Falcon Heavy launch following weather scrub on Monday
    April 28, 2026
  • ULA launches 29 Amazon Leo satellites on Atlas 5 rocket from Cape Canaveral
    April 27, 2026
  • SpaceX scrubs Falcon Heavy launch of final ViaSat-3 satellite due to poor weather
    April 27, 2026
  • SpaceX flies 25 Starlink satellites to orbit on its 50th Falcon 9 launch of the year
    April 26, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    April 23, 2026
  • SpaceX launches final GPS III satellite for the U.S. Space Force
    April 21, 2026
  • Blue Origin launches third New Glenn rocket, but payload ends up in wrong orbit
    April 20, 2026
  • Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster
    April 19, 2026
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