Our sun is a violent place. Bursts of radiation snap off the solar surface with the strength of millions of volcanic ...

In 2017, astronomers found an object they’d never seen before. Now, it’s part of a growing category of elusive ‘dark comets’ ...

The first observations from MERTIS revealed that certain areas of Mercury’s surface shine brighter in the mid-infrared than others. More specifically, the Caloris Basin and parts of a large volcanic ...

NASA's Solar Dynamics Observatory captured imagery of superheated plasma and 3 prominences in a magnetic field dance with the Sun. #shorts ...

Sunspot AR3842 erupted with an X7.1-class solar flare. NASA models predict that the coronal mass ejection created by the ...

Starliner astronauts got a much longer stay at ISS. SpaceX caught a rocket booster. Here's a look back at the most pivotal ...

Composite images reveal how the sun's corona changed from one total solar eclipse to another in 2023 and 2024, just as solar ...

NASA has made a huge discovery that could change everything we know about the potential for life on Mars. Researchers have ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

December's full cold moon and Geminids meteor shower overlap this weekend, peaking early Saturday and Sunday morning.

New research on Ceres reveals hidden organic materials, suggesting subsurface reservoirs and internal energy sources.

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the ...