In this video I turn my sidewalk into a colorful model of the solar system using sidewalk chalk. I draw each planet to scale ...

To receive the same amount of starlight as Mars receives from our sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the sun. Disclaimer: ...

The Solar System is not a static diagram of planets moving in perfect circles. Every world, the Sun, and the entire system are moving through the galaxy, creating a far more dynamic picture of our ...

It's a good time to be an astronomer with the James Webb Space Telescope is bringing in images from deep space. Weather drawing by Breckyn from Mrs. Wing's and Mrs. Meyer's first grade class at ...

From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of strange, wandering worlds are rewriting what we know – and even how we ...

On a Hawaiian mountaintop in the summer of 1992, a pair of scientists spotted a pinprick of light inching through the constellation Pisces. That unassuming object — located over a billion kilometers ...