Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Harvard astrophysicist Avi Loeb identifies 18 anomalies of interstellar object 3I/ATLAS, raising questions about whether it ...

Observations of the two solar system gas giants have revealed that Jupiter 's north pole hosts a central polar vortex ...

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...

The JWST tracks a path right-to-left across the eastern horizon in the hours following sunset in January. On Jan. 19 it will be located to the left of the star Nu Orionis in the raised right arm of ...

What Yang Liwei heard during China’s first crewed spaceflight still defies physics, sensors, and every known explanation.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Scientists believe Europa's seafloor is likely tectonically quiet, without active volcanoes or hot water plumes. These findings contrast with the long-held theory that Europa is a promising location ...

New findings about Jupiter’s moon is raising new doubts about life in spaceEuropa, one of Jupiter’s moons, has always sat a little to the side of the .