DALLASI absolutely love this, it's called an orrery, and it's a little mechanical model of our solar system. You can see the planets here, orbiting the sun as they would do in real life.

Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...

Ptolemy’s model and many earlier ideas of the Solar ... Union reclassified it as a ‘dwarf planet’, and our Solar System dropped from having nine planets to eight.

Delving into the behaviors of the Sun and protecting humans at home and beyond are top priorities, according to the National Academies.

For two decades now, the iconic twin Voyager spacecraft have been quietly overturning everything we thought we knew about the ...

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form.

Existing models, such as Neptune’s resonances ... Related Stories Scientists discover the closest Earth-sized planet to our ...

This "kiss and capture" mechanism offers a fresh perspective on planetary formation, particularly about Pluto and its largest ...

Electrical efficiency Image: University of Manchester, Solar Energy, CC BY 4.0 Scientists created a numerical model to describe the system, incorporating heat convection, conduction, radiation ...