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Northrop Grumman's biggest-ever cargo spacecraft arrives at ISS on its debut mission
By Mike Wall published
Northrop Grumman's new "Cygnus XL" cargo ship reached the International Space Station this morning (Sept. 18), after a delay, delivering about 11,000 pounds of supplies to the orbiting lab.

SpaceX launches 28 Starlink satellites to orbit on 117th Falcon 9 flight of 2025 (video)
By Mike Wall published
SpaceX launched 28 more of its Starlink internet satellites today (Sept. 18), sending them aloft from Cape Canaveral Space Force Station in Florida.

SpaceX moves next Starship spacecraft to launch pad for testing (photos)
By Mike Wall published
SpaceX has moved its newest Starship spacecraft to the launch pad for testing ahead of the megarocket's upcoming 11th test flight.

Bad news for astronauts? Human stem cells age more rapidly in space, study suggests
By Elizabeth Howell published
A new study suggests that a group of cells, key for the health of blood and the immune system, are vulnerable to aging-like processes after spending time on the ISS.

A Girl Scout was injured in a remote California canyon. Here's how satellites got help to her in minutes
By Tereza Pultarova published
"Without satellite-enabled communication and precise location identification, this rescue could have stretched from hours into days."

Northrop Grumman's 'Cygnus XL' cargo spacecraft suffers thruster issue on way to the International Space Station
By Mike Wall published
Northrop Grumman's new "Cygnus XL" cargo ship won't arrive at the ISS on Wednesday morning (Sept. 17) as planned after suffering a thruster issue in orbit.

Humanity could settle Mars by 2055, Elon Musk says
By Mike Wall published
Humanity can establish a self-sustaining settlement on Mars in the next 30 years, provided our heavy-lift launch technology advances as planned, SpaceX chief Elon Musk said.

SpaceX launches Northrop Grumman's biggest-ever cargo spacecraft on its 1st mission to the ISS (video)
By Mike Wall last updated
SpaceX launched Northrop Grumman's new "Cygnus XL" cargo ship on its debut mission to the International Space Station on Sunday (Sept. 14).
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