Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

Scheduled to launch in early 2026, NASA's Artemis 2 is part of the bold 21st-century vision for returning astronauts to the ...

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Andreas Malm and Thea Riofrancos joined The Nation’s Wen Stephenson in an urgent conversation about the left and the climate ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...