New fuel withstands nuclear thermal propulsion reactor conditions

General Atomics Electromagnetic Systems (GA-EMS) has successfully tested the nuclear fuel that may one day propel and power the spacecraft of the future. The trials verify that the fuel can survive the harsh environment of a nuclear rocket reactor.

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NASA’s Moon return missions delayed – again

The Artemis II and III missions slated to return US astronauts to the Moon have been set back. At a press conference, NASA officials said that problems with the heat shield and life support systems would delay the launches until 2026 and 2027.

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Spaceship architects asked to design star-hopping Generation Ships

If you've ever fancied yourself a spaceship architect that could design a vessel to carry colonists to another star system on a journey that could last for centuries, check out the Project Hyperion Design Contest, which invites teams to lay out their Generation Ship plans.

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First SpaceX Starship launch since ‘chopsticks’ catch: How to watch

Flight 6 of SpaceX's giant Starship is scheduled to fly no earlier than Monday, November 18, 2024. If there are no delays, the world's largest rocket ever to fly will lift off at 4:00 pm CST from the company's Texas Starbase. Here's how to watch.

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Watch: SpaceX makes historic booster capture

In an astonishing bit of space gymnastics, SpaceX has pulled off a true first. It captured a Super Heavy booster at about 7:31 am CST using its own launch tower after delivering a Starship second stage to orbit, followed by a controlled reentry.

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Curiosity rover sheds new light on how Mars became uninhabitable

Data from NASA's Curiosity rover collected on Mars is shedding new light on how the Red Planet became uninhabitable in the distant past due to a changing climate that caused the surface water to evaporate or be locked away as ice.

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X-rays could deflect dangerous Earthbound asteroids

Asteroids can devastate the planet in an instant – just ask the dinosaurs. Scientists at Sandia National Laboratories have now demonstrated a proof of concept method to deflect a potential Earthbound asteroid using a blast of X-rays.

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Colossal cosmic jets unleash trillion-Sun energy across 140 Milky Ways

Astronomers have spotted an absolutely colossal cosmic chimney that stretches as far as 140 Milky Ways lined up side by side. These jumbo jets are being blasted from a supermassive black hole.

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Watch: Nearby star blows bubbles the size of 75 Suns

The Sun is the biggest fish in our small pond of a solar system, but it’s a mere minnow compared to the whales that dwell out in the cosmos. New telescope images show a gigantic star casually blowing bubbles 75 times bigger than our Sun.

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