That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a ...

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When the scientist's bosses pulled the plug, he continued his experiments on the human/alien chimera at home, with ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

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Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time ...

July’s full ‘Buck Moon’ rises close to aphelion, making it the furthest full moon from the sun in 2025. The July full moon, ...

In a recent contest, teams of researchers competed to see who could train an AI model to best pilot a spaceship. The results ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Tissue samples sent to the International Space Station reveal what can happen to astronauts on long-term missions.