Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

Chinese scientists propose 2033 Neptune orbiter mission Scientists are proposing China’s first ice giant mission, aiming to ...

John Casani, who has died aged 92, was an American spaceflight engineer who led the teams that pioneered Nasa’s explorations ...

In May, the White House released a budget proposal that would slash NASA funding. But a Senate appropriations plan would ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

Last week, seven former heads of NASA’s Science Mission Directorate signed a joint letter to Congress condemning the White ...

Scientists find Uranus radiates more heat than once believed, reshaping our understanding of giant planets and guiding NASA’s next mission.

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence ...

A baby planet is shrinking from the size of Jupiter with a thick atmosphere to a small, barren world, according to a new ...