The US wants to put a flag on Mars. But there’s a risk it could carry unwanted stowaways that might compromise future ...

Titan—an alien world that looks like Earth but is anything but! With vast methane lakes, plastic-like mountains, and a dense atmosphere, this Saturnian moon could be our best shot at colonization ...

How would detecting methane help astronomers identify if exoplanets, or even exomoons, have life as we know it, or even as we ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Of all the planets in our solar system apart from Earth, Saturn tends to steal the show with its breathtaking rings, which have fascinated people for centuries.

Searles Lake has long been shaped by shifting water levels, volcanic minerals, and evaporite formation. In 2024, satellites ...

NASA shares an iconic image of carbon dioxide ice erupting in geysers when Martian winter turns to spring.

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

Scientists are unraveling the mysteries of Titan, Saturn’s largest moon, and its dense nitrogen-rich atmosphere. Despite its ...

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, plus Earth under your feet—all eight known planets of our solar system!

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...