Comet 3I/ATLAS is the third known interstellar comet after 2017's 1I/'Oumuamua and 2019's 2I/Borisov. It was discovered on ...

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a ...

The European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure ...

Earth’s climate is not only shaped by smokestacks, forests, and oceans. It is also quietly tuned by the slow choreography of ...

New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars ...

NASA is sending two spacecraft to Mars on their new ESCAPADE mission to reveal how space weather robbed it of its atmosphere and turned it dry ...

Snow was moving through the Pittsburgh area Saturday night and was expected to continue into early Sunday morning.

Dust on Mars has a new voice. What once looked like silent red storms now crackles with tiny sparks, as if the planet were whispering with electricity right under your feet. For the first time, ...

It’s been more than half a century since humans last walked on the Moon, but we’re on the verge of doing so again.

Mars is rich in ice, both on and under its surface—with more predicted to lie farther below its dusty exterior. If future ...

NASA’s Perseverance rover has been exploring the surface of Mars since it landed there in spectacular fashion nearly five ...

The end of November delivered the coldest weather in months to the north-central United States, and in Minneapolis, it was briefly colder than it was on Mars. On Thanksgiving Day, Minneapolis reached ...