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May 24, 2026, 01:53 PM - 7 min read
The idea of nuclear propulsion in space goes back to the cold war. But NASA has been pursuing it more aggressively since billionaire and commercial astronaut Jared Isaacman took over as the agency’s chief in December 2025.
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February 25, 2025, 03:19 PM - 8 min read
On Earth, the geologic record of oceans is distinctive. Modern oceans are only a few hundreds of millions of years old. Yet the global rock record is riddled with deposits made by many older oceans, some several billions of years old.
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October 8, 2024, 01:37 PM - 6 min read
NASA plans to send humans on a scientific round trip to Mars potentially as early as 2035. The trip will take about six to seven months each way and will cover up to 250 million miles (402 million kilometres) each way.
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August 13, 2024, 04:33 PM - 2 min read
According to findings released on Monday, this water is believed to be located seven to twelve miles (11.5 to 20 kilometres) beneath the Martian crust.
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