Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

Jupiter has long been a source of fascination for astronomers, and now, the giant planet is raising more questions than ever.

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

An exoplanet 60 light-years away from Earth, known as 14 Herculis c, is thought to be the coldest one yet found, researchers ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected three new hot ...

Europa has long been a prime target in the search for extraterrestrial biology because scientists suspect it harbors a ...

NASA budget proposal slashes science funding by 47%, putting more than 40 current and planned missions at risk.

NASA's PUNCH mission has unveiled its first images of colossal solar eruptions known as coronal mass ejections (CMEs) — ...

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

President Donald Trump’s fiscal 2026 budget request, if approved by Congress, would kill many of NASA’s plans for robotic ...