For NASA, Artemis II is part of a broader effort to establish a sustained human presence on the moon and eventually send ...

For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

Historically planetary defense research has focused on deflecting asteroids by using momentum to nudge their cosmic course ...

Saturn's magnetic shield is asymmetrical compared to Earth's, suggests a new study involving University College London (UCL) ...

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Space agency is targeting Wednesday for the historic journey-its first to the moon in more than half a century.

The textbook grew out of more than a decade of teaching. What began as a graduate seminar evolved into undergraduate and ...

Making babies in space may be more complicated than expected, as new research shows sperm struggle to navigate in microgravity. Scientists found that while sperm can still swim normally, they lose ...

Among the many potential issues, life in space may wreck our kidneys, increase the risk for numerous diseases including ...

Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

Bennu looked far different up close than scientists expected, and that mismatch led to a deeper investigation into how asteroid surfaces behave. What researchers found in returned samples helped ...

The oceans are the largest entity on Earth’s surface. All that blue, however, may be dwarfed by an immense reservoir of hydrogen concealed in the planet’s heart. Experiments indicate that enough ...