New simulations show Mars plays a key role in shaping Earth’s long-term climate by influencing its orbit and axial tilt over hundreds of thousands to millions of years.

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

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

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

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

NASA has selected L3Harrist o develop advanced optics and mirror systems for the Habitable Worlds Observatory, a flagship space telescope searching for life beyond Earth.

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

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...