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Nuclear rockets could travel to Mars in half the time − but designing the reactors that would power them isn't easy
By Dan Kotlyar published
Fission technology is well established in power generation and nuclear-powered submarines, and its application to drive or power a rocket could one day give NASA a faster, more powerful alternative to chemically driven rockets.
Space calendar 2024: Rocket launches, skywatching events, missions & more!
By Space.com last updated
Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2024 with our space calendar.
Vast Space unveils Haven-2, a private space station to follow the ISS after its fiery end
By Robert Lea published
U.S. company Vast has unveiled Haven-2, its proposed commercial successor to the soon-to-be-retired International Space Station.
SpaceX launches 100th rocket of 2024 during Starlink doubleheader (video, photos)
By Elizabeth Howell published
SpaceX launched two Starlink satellite missions just hours apart today (Oct. 15), one of which was the company's 100th liftoff of the year.
SpaceX makes Starlink internet service free for people hit by hurricanes Helene and Milton
By Samantha Mathewson published
In the wake of Hurricane Helene and Hurricane Milton, SpaceX has distributed more than 10,000 Starlink kits and waived monthly fees for using the satellite internet service in affected areas.
The moon, Mars and space junk: World space agency heads outline grand plans, but also concerns
By Andrew Jones published
Leaders of major space agencies stated grand plans for the near future at the International Astronautical Congress in Milan, while noting concerns regarding Earth and the space environment.
On this day in space! Oct. 15, 1997: Cassini-Huygens probe launches to Saturn
By Hanneke Weitering last updated
On Oct. 15, 1997, NASA launched the Cassini spacecraft on a mission to explore Saturn and its moons.
Cubesats, the tiniest of satellites, are changing the way we explore the solar system
By Mustafa Aksoy published
Whether discovering exoplanets or measuring the size of an asteroid, cubesats are affordable throughout the space community, even to small startup, private companies and university laboratories.
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