The planets offer exciting views in April for both night owls and early risers. Plus, the Lyrid meteor shower peaks in ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Supersymmetry, long considered the golden child of theoretical physics, has officially lost its luster at the world’s ...

The slow race of getting NASA's Space Launch System rocket pieced together for next year's Artemis II moon mission jumped a ...

NOIRLab shared stunning views of the total lunar eclipse in the night sky over Chile, complete with a blood red moon and ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Here are some interesting and lesser known facts about our solar system that will leave you in awe. Its average temperature is roughly -60°C, the same as the South Pole (minus the penguins). Some ...

If you've ever glanced skyward and wondered why the moon appears particularly large, you're not alone. There are many folks who have wondered why the moon sometimes seems to change size, looking ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with ...

The worm moon will arrive on March 14, 2025, according to NASA. Spring is just around the corner, and with it comes the worm moon -- a celestial sign that winter is fading. Keep reading to find ...