Scientists using Juno report Jupiter is smaller than previously thought, enhancing understanding of its shape, interior ...

After 50 years of assumptions, fresh data from NASA’s Juno spacecraft reveals Jupiter is slightly smaller and flatter, ...

Jupiter is the largest planet in our Solar System and the fifth planet from the Sun. It is a massive gas giant made mostly of hydrogen and helium, the same elements that form stars.

Planetary scientists have identified a previously unrecognized pathway for water loss on Mars -- observed, for the first time ...

“Textbooks will need to be updated,” study co-author Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science in Israel, said in a statement. “The size of Jupiter hasn’t changed, of ...

A possible rocky exoplanet referred to as a 'cold Earth' that could orbit on the outer edge of the habitable zone has been found around a star 146 light-years away.

Jupiter, without a doubt, is the biggest planet in our solar system. But it turns out that it is not quite as large - by ever ...

The chemicals that helped save the ozone layer may be quietly seeding the planet with an indestructible pollutant.

Picture a spacecraft returning to Earth after a long journey. The vehicle slams into the planet's atmosphere at roughly ...

The ocean is warming as the upper atmosphere is cooling – both as a result of excessive greenhouse gas emissions.

Scientists have created a highly detailed computational model of Jupiter's atmosphere to peer below its thick clouds.