Whether Artemis ultimately fulfills its promise of sustained lunar exploration, or is reshaped by politics, budgets and ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even stranger: a deep, icy slush filled with pockets of warm liquid water that ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush. When you purchase through links on our site, we may ...

New oblique images from NASA’s Lunar Reconnaissance Orbiter Camera (LROC) reveal enormous cracks, called grabens, curling around an ancient lunar sea on the Moon’s near-side. These grabens are part of ...

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Astronauts on the Moon (like Harrison H. Schmitt, pictured collecting lunar samples in 1972) could one day live in lunar habitats made of “mooncrete.” Credit: NASA/JSC, Public Domain NASA’s Artemis ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When did this alien life begin on the Moon? What would these lunar-dwellers ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...