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 ...

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

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

Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary ...

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

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

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

Many astronomical events, such as meteor showers, run by calendrical timings as well. But our moon and the other planets move ...

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

An international team of over 60 scientists have successfully created 'extreme' superionic water and finally measured its ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...